Category: Class 5

Students can Download EVS Chapter 15 Our India – Physical Diversity Questions and Answers, Summary, Notes Pdf, KSEEB Solutions for Class 5 EVS helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.

Karnataka State Board Class 5 EVS Chapter 15 Our India – Physical Diversity

Class 5 EVS Our India – Physical Diversity Text Book Questions and Answers

Question 1.
What is landforms?
Answer:
The different types of land surfaces or known as landforms.

Question 2.
What is a mountain?
Answer:
Mountain is mighty and important landform. It is the uplifted portion of the earth’s surface and is much higher then the surrounding area.

Question 3.
What is a mountain range?
Answer:
A line of mountain is known mountain range.

Question 4.
What is a plateau?
Answer:
Plateaus are elevated flat lands with sleep sights. They are also called tablelands.

Question 5.
Which is the highest plateau in the world
Answer:
Plateau of Tibet.

Question 6.
What is a plain?
Answer:
The collection of various types of maps bound has a book is known as an atlas.

Question 7.
What is a desert?
Answer:
A scale is a ratio between the distance on the map and the corresponding distance on the ground.

Question 8.
Name any Island that belongs to India
Answer:
The Andaman, Nicobar and Laksha Dweep Islands belong to India.

Question 9.
What are natural regions?
Answer:
The basic components of a good map are title. Scale, Latitude direction and Index.

Question 10.
Which is the highest peak in the world
Answer:
Mt. Everest (8848 m).

Question 11.
Which is the highest peak in the Aravallis?
Answer:
Mt. Gurushikhar (1772m)

Question 12.
Which is the higest peak in South
Answer:
India (2695m)

Question 13.
What are called playas?
Answer:
Salt lakes are called plays.

Question 14.
Which is the largest salt lake in India?
Answer:
Sambhar lake.

Question 15.
Write a note about the peninsular plateau.
Answer:

1. The peninsular plateau is to the south of the north Indian plains.
2. The Narmada, Sone rift valley divides the plateau into two main plateaus.
3. The northern pat is known as the Malwa plateau and the Southern part is known as Decan Plateau.

Question 16.
Find out the names of animals which live in the foothills of the Himalayas and make list of these animals.
Answer:
Leopards, Tiger, snow leopard, jungle cat, common langar

Question 17.
An unusually wide and long valley in the lower Himalayas is called Doons. For example: Dehradun in India. It is a popular tourist place. During summer people visit this place, why do they visit it
Answer:
Because Dehradun is in the Doon valley on the foothills ofthe Himalayas nestled between the river Ganges on the east and the river yarhuna on the west. The city is famous for its picturesque landscape and slightly milder climate and provides a gateway to the surrounding region.

Question 18.
The Northern plains are fertile, Give reasons:
Answer:
There are plains located to the south of Himalayan ranges. They are very vast, fertile and level. The Northern plains of India are formed by the deposition of alluvium camied by the rivers while flowing from the himalayan ranges.

Question 19.
The people prefer to live in the planis of rivers. Why?
Answer:
Because wherever there are river plains, there is plenty of water. Therefore agriculture, rearing of animals, transport facilities, trade and commerce and industries are developed.

Question 20.
Make a list of the important rivers and crops of our state.
Answer:

Rivers	Crops
Krishna, Ghataprabha, Malaprabha, Tungbadra, Kaveri	Rice, Ragi, Jowar,  Maize, cashews, Cardamom, Chillies, cotton, Sugar-cane & tobacco.

Question 21.
Mention the names of the two important plateaus in India?
Answer:
Malwa plateau and Deccan plateau.

Question 22.
Mention the important historical places located in the peninsular plateau.
Answer:
Mysore, Badami, Hampi, Ooty, Hyderabad

Question 23.
Which Sea touches the coast of Karnataka?
Answer:
Arabian Sea

Question 24.
Which districts of Karnataka have coastal plain?
Answer:
Dakshina Kannada, Udupi and uttara Kannada.

Question 25.
Make the list of major crops grown in the western coastal plain of India?
Answer:
Betel nut, ragi, fodder, coconut, vegetables and rubber.

Question 26.
Make a study of the dress style and food habits of the fishermen living in coastal plains. Write 4 sentences on them
Answer:
Fishing is the main occupation of the people living in the coastal plain. So, most of the people eat fish. Agriculture is the another main occupation here.

Rice, are canuts, coconut, cashew, cardmam, banana and vegetables are grown here. The spinch, ivy gourd, black yed peas and samborr cucumber are also grown for food. The use of boiled rice is very popular.

Question 27.
What is an oasis?
Answer:
A fertile area in a desert is formed where the water comes up to the ground surface is called oasis.

Question 28.
Write about any 3 characteristics of the deserts?
Answer:

1. A desert is a vast, dry and sandy area with very little vegetation
2. The temperature is high and always climate is dry.
3. Oasis occurs here.

Question 29.
Mention the names of any 3 protected forest areas in India?
Answer:
Sariska, Bandipur, Jim corbett, Gir forest

Question 30.
Discuss with your friends the Indian gered animals in India mention any 3 names of such animals.
Answer:
Tiger, asljatic lion, Asian Eleiphant

Question 31.
What are the problems arising from deforestation?
Answer:
Deforestation can have a negative impact on the environment the most dramatic impact is a loss of habitat for millions of species. Eighty percent of earth’s land animals and plants live in forests, and many cannot survive the deforestation that destroys their homes. Deforestation also drives Climate change.

Question 32.
Which animals are living around your environment make a list?
Answer:
Goat, Dog, Cat, Bullock, Rabbit etc.

Question 33.
What is cartography?
Answer:
The science and art of map-making is known as cartography.

Question 34.
Write any two old mountains?
Answer:
Aravalis and Appaltian

Question 35.
The Tibet also known as?
Answer:
Roof of the world.

Question 36.
Whcih is the largest desert in the world
Answer:
Sahara.

Question 37.
Name the types of the landforms?
Answer:
There are three major types of landforms. They are

1. mountains
2. Plateaus
3. Plains

Question 38.
Name the types of mountains.
Answer:
Mountains are divided into three types fold .mountains, blow mountains and volcanic mountains.

Question 39.
What are called fold mountains? Give an example.
Answer:
Folding of rock layers of mountains are called fold mountains. They are highest mountains. The Himalayas andAlps are fold mountains.

Question 40.
Write any three or 4 importance of mountains.
Answer:

1. Form natural boundaries between countries.
2. Storehouse of resources.
3. Sources of rivers
4. Ideal for plantation crops.

Question 41.
Write the importance of plateaus.
Answer:
Plateaus are of great importance they are:

1. storehouse of minerals.
2. Very suitable.
3. Fertile soid which is suitable for agriculture.
4. Useful for animal rearing.

Question 42.
What is the position of India with regard to world population and land area?
Answer:
India is a peninsula south Asia. Inarealndia is the seventh-largest country and second most populous in the world.

Question 43.
What is the geogrphical location of India India?
Answer:
India extends from Kashmir in the north to kanyakumari in the south and from the Rann ofKutchchh in the west to Arunachal Pradesh in the east.

Question 44.
What is the position of Karnataka with regard to India’s land area?
Answer:
Karnataka is located in the southwestern part of India. It si the eighth largest state in India.

Question 45.
List the neighboring countries of India?
Answer:
The neighboring countries of India are Pakisthan, Afganistan, China, Nepal, Bhutan, Bangladesh, Myanmar and Srilanka.

Question 46.
Name the physical divisions of India?
Answer:
The main physical divisions of India are:

1. The northern mountains
2. The nothem Plains
3. The peninsular Plateaus
4. The coastal plains.

Question 47.
Which are the physical divisions of Karnataka?
Answer:

1. Coastal Plain
2. The malnad region
3. The maidan region

Question 48.
Name the districts lying in the coastal area of Karnataka.
Answer:
Uttara Kannada, Udupi, Dakshina Kannada. The Andaman, Nicobar, and Laksha deep islands belong to India.

Class 5 EVS Our India – Physical Diversity Additional Questions and Answers

I. Multiple choice questions:

Question 1.
India is the largest country in the world
a) Eighth
b) Ninth
c) Seventh
d) Sixth
Answer:
c) Seventh

Question 2.
Our national capital territroy is
a) Kolkatta
b) Delhi
c) Mumbai
d) Pune
Answer:
b) Delhi

Question 3.
Ooty a famous hill station is located at
a) Nandi Hills
b) Shivaganga hills
c) Nilgiri hills
d)Savandurga hills
Answer:
c) Nilgiri hills

II. Fill in the blanks:

1. A peak is the highest point of a mountain
2. Mountains are generally made of hard rocks.
3. The Himalayas and the Alps are young mountain.
4. The higher slopes of the high mountains are covered with snow.
5. Volcanic mountains are formed due to the accumulation of volcanic material.
6. Desert can be rocky or sandy
7. Desert are found in every continent except Europe and Antarctica.
8. Small Islands are known as islets.
9. A group of Islands is known as archipelago.
10. India is located entirely in the northern and eastern hemispheres.
11. The northern plains are located between the Himalayas and Peninsular plateaus.
12. The Peninsular plateau is rich in minerals.

Students can Download EVS Chapter 14 The Sky Questions and Answers, Summary, Notes Pdf, KSEEB Solutions for Class 5 EVS helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.

Karnataka State Board Class 5 EVS Chapter 14 The Sky

Class 5 EVS The Sky Text Book Questions and Answers

Question 1.
Answer the following questions with the help of the above picture:
Answer:

1. How many planets are there in solar system – 8
2. Write the names of planets in order – Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranees and Neptune.
3. Which is the nearest planet to the sun – Mercury
4. In which planets do we human beings live – Earth
5. Which is the biggest planet in the solar system – Jupiter
6. Which is the smallest planet in the solar system – Mercury
7. Which is the farthest planet from the sun – Neptune
8. What position has the planet Earth from the sun – 3 position has the planet Earth from the sun.

Question 2.
Which planet takes the least to complete one revolution around the sun? why?
Answer:
Mercury has the shortest orbital period of any planet in the solar system, completing a trip around the sun every 88 days. It is the smallest of the eight planets, as well as the closest to the sun.

Question 3.
Which planet takes those times to complete one revolution around the sun? why?
Answer:
The amount of time it takes one planet to make a frill orbit around the sun is considered a year, Here on Earth. One year equals 365.24 days. Planets closer to the sun complete their orbits fester than planets farther away Neptune is farther out than Mars, so it takes longer to orbit.

Question 4.
Name the planets:
Answer:

1. Red planet – Mars
2. Brightest Planet – Venus
3. Biggest planet – Jupiter
4. Blue-green color Planet – Neptune
5. Only planet that has life – Earth
6. It’s day is longer than the year – Venus.

Question 5.
Which is the natural satellite of the earth?
Answer:
Moon.

Question 6.
Explain the characteristics of the following celestial bodies.
Answer:

1. meteoroids: When they enter the earth’s atmosphere, they bum up in the atmosphere due to friction and a streak of light is produced.
2. Asteroids: Most of them are located between the orbits of Mars and Jupiter.
3. Comets: A comet is an icy body that gives out gas or burnt. They revolve around the sun.

Question 7.
What is mean solar day?
Answer:
In general, the period from one sun rise to another is consider a day. This is called mean solar day.

Question 8.
Sidereal day explain?
Answer:
The earth takes actual take to complete one rotation in 23 hrs, 56 minutes and 4.09 seconds. This period is known as sidereal day.

Question 9.
What is a leap year
Answer:
Ones in 4 years, we have 366 days in a year is called a leap year.

Question 10.
What is prime meridian or Green wich meridian?
Answer:
The latitude that passes through Green wich in England is called the prime meridian or Green wich meridian.

The Sky Additional Questions and Answers

I. Multiple choice questions:

Question 1.
The distance of the sun from the earth is
a) 100 million kms
b) 150 million kms
c) 1000 million kms
d) 1500 million kms
Answer:
b) 150 million kms

Question 2.
The International Astronomical union conference was held in
a) July 2007
b) Aug 2007
c) Aug 2010
d) Aug 2006
Answer:
d) Aug 2006

Question 3.
The twin planet of the earth is
a) Mars
b) Uranus
c) Neptune
d) Venus
Answer:
d) Venus

Question 4.
The astronomer, who was the first to look at the moon through the telescope in 1608 was
a) Neil Armstrong
b) Galileo
c) Eratosthenes
d) Vasco dagama
Answer:
b) Galileo

Question 5.
The person who was the first man the land on the moon is
a) Galileo
b) Eratosthenes
c) Duplex
d) Neil Armstrong
Answer:
d) Neil Armstrong

Question 6.
The planet which has only life is
a) Earth
b) Venus
c) Jupiter
d) Mars
Answer:
a) Earth

Question 7.
The solar system consistgts of ______ planets
a) 9
b) 10
c) 8
d) 7
Answer:
c) 8

Question 8.
The sun is a
a) Satellite
b) Asteroids
c) Star
d) comets
Answer:
c) Star

Question 9.
The USA is divided into _______ time zones.
a) 6
b) 7
c) 9
d) 5
Answer:
d) 5

Question 10.
Indian standard time is based on
a) 82 1/2 E meridian
b) 23 1/2 N latitude
c) 84 1/2 E meridian
d) 180 meridian
Answer:
a) 82 1/2 E meridian

Question 11.
Meridian means
a) Midnight
b) Line
c) Morning
d) Midday
Answer:
d) Midday

Question 12.
The Earth takes days to complete one revolution
a) 364 1/2 days
b) 365 1/2 days
c) 365 days 6 hours
d) 366 days
Answer:
b) 365 1/2 days

Question 13.
On December 22nd, the south pole inclined towards the sun is called ________
a) Winter solstice
b) Autumnal Equinox
c) Summer solstice
d) Spring Equinox
Answer:
a) Winter solstice

II. Fill in the blanks:

1. The direction where the sun appears to rise is called east
2. The rotation of Earth causes day and night
3. The sun is made up of Hydrogen and helium gases
4. The sun is the source of light and heat.
5. A planet is a celestial body
6. Each planet has its own path of movement known at the orbit
7. The Earth is a unique planet
8. The fifth-largest planet in our solar system is the Earth
9. Ferdinand Magellan and Portuguese navigator declared that the shape of the Earth was Spherical.
10. The moon is the only satellite of the Earth
11. The twinkle body in the sky is called stars

III. Match the following:

1. Mercury	a. Red planet
2. Jupiter	b. Smallest planet
3. Venus	c. Biggest planet
4. Mars	d. Unique planet
5. Earth	e. Brightest planet

Answers:

1. b
2. c
3. e
4. a
5. d

IV. Answer the following questions:

Question 1.
What are celestial bodies?
Answer:
All the objects that we can see in the sky are called celestial bodies.

Question 2.
What is solar system?
Answer:
The family of the sun is known as the solar system.

Question 3.
How are planets different from stars?
Answer:
A planet is a celestial body, moving in an elliptical orbit, around a paticular star.

Question 4.
Why is the Earth known as unique planet?
Answer:
The Earth is the only planet of our solar system, on which there is life.

Question 5.
What is meant by the phases of the moon?
Answer:
The moon has no light of its own, hence it reflects the light from the sun, its position in relation to the sun changes from night tonight. As a result, we have the phase of the moon.

Question 6.
What is lunar month?
Answer:
The period from one new moon to the next new moon is called Lunar month.

Question 7.
What is a planet?
Answer:
A planet is a celestial body, moving in an elliptical orbit, around a particular star.

Question 8.
What is meant by waxing? In the course of the moon’s revolution
Answer:
From the day following the new moon to that of the lull moon the lit up portion of the moon gradually increases. This change is known as waxing.

Question 9.
What is the axis?
Answer:
The imaginary line that passes through the center of the earth, from the north pole to the south pole, is the axis.

Question 10.
What is lunar eclipse?
Answer:
When the moon is partly or fully covered by the shadow of the Earth. This is known as lunar eclipse.

Question 11.
What are the two types of eclipses?
Answer:

1. Lunar eclipse
2. Solar eclipse

Question 12.
What is new moon?
Answer:
When the moon is completely dark we call it new moon.

Question 13.
What is full moon?
Answer:
When we see moon’s bright side totally, we call it hill moon.

Question 14.
What are called maria?
Answer:
The moon’s surface consists of plains mountains and craters. The plain areas are called maria.

Question 15.
What is moonlight?
Answer:
At night the moon reflects the light received from the sun. This is known as moonlight.

Question 16.
Who is the first person to calculate the size of the Earth?
Answer:
Eratosthenes, a Greek astronomer was the first person to calculate the size of the Earth.

Question 17.
What is geoid?
Answer:
Earth was slightly flattened at the poles and bulging at the equator. Such a shape is called ‘geoid’.

Question 18.
Why is milky way?
Answer:
Our solar system is a part of a galaxy known as them milky way.

Question 19.
Why does the sun look bigger than other bigger stars?
Answer:
The sun is closer to the Earth than any other bigger stars.

Question 20.
What is meant by the inclination of the EarthAxis?
Answer:
While the Earth is revolving around the sun along its elliptical orbit, its axis is inclined, at an angle of 66 1/2 with the plane of the orbit and plane of the orbit 23 1/2 with the line perpendicular to the plane of the orbit. This is known as the inclination of the Earth’s axis.

Question 21.
Name the planets which do not have satellites?
Answer:
Mercury and Venus have no satellites.

Question 22.
Name the planets of our solar system?
Answer:
Mercury, Venus, Earth, Mass, Jupiter, Saturn, Uranus, and Neptune.

Question 23.
How do lunar and solar eclipses occur?
Answer:
The lunar eclipse occurs at the time of full moon, but not every time. The solar eclipse occurs at the time of new moon, but not every time.

Question 24.
What are Asteroids?
Answer:
Between the orbits of Mars and Jupiter, numerous small bodies also revolve around the sun. There are called asteroids.

Question 25.
What is rotation?
Answer:
The Earth spins continuously on its axis from west to east is called revolution.

Question 26.
What is revolution?
Answer:
The earth also revolves around the sun along its orbit. This is called a revolution.

Question 27.
What is the Earth’s axis?
Answer:
The earth rotates on its axis, it spins itself is called the Earths axis.

Question 28.
What is meant by equator?
Answer:
An imaginary line is drawn around the Earth is called the equator.

Question 29.
Name the 4 seasons?
Answer:

1. Spring Equinox
2. Summer solstice
3. Autumnal Equinox and
4. Winter solstice

Question 30.
What are lines of latitude?
Answer:
Latitudes are a set of imaginary lines drawn on the globe from West to East.

Question 31.
Name the important lines of latitude?
Answer:

1. Equator
2. Parallels of latitudes

Question 32.
What is local time?
Answer:
When the sun is overhead at any meridian.lt is noon at al the places over throughout meridian. It is known as local time.

Question 33.
What is meant by the Earth’s orbit?
Answer:
The earth has its own path of movement known as the orbit.

Question 34.
Mention two effects of rotation?
Answer:
The rotation of earth causes day and night.

Question 35.
Why is the international Dateline adopted?
Answer:
In order to solve the problem of time, which travels around the world, 180 meridians is taken as the International Dateline.

Question 36.
What is northern and southern hemisphere?
Answer:
The northern half of the earth is called the northern hemisphere.
The Southern half of the earth is called the southern hemisphere.

Question 37.
What is geographic coordinates?
Answer:
The latitude and the longitudes intersect each other right angles and provide coordinate points. They form a grid. Such a grid is known as geographic coordinates.

Students can Download EVS Chapter 13 Amazing Energy Questions and Answers, Summary, Notes Pdf, KSEEB Solutions for Class 5 EVS helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.

Karnataka State Board Class 5 EVS Chapter 13 Amazing Energy

Class 5 EVS Amazing Energy Text Book Questions and Answers

Question 1.
Write down below about what works are being done in the figure?

Answer:

1. Cycle riding
2. Pulling
3. Supplementing the crop with organic or chemical fertilizers for proper growth of the crop.
4. Playing Game
5. Walking with Luggage

Question 2.
In which instances do you use muscular energy in your day to day life?
Answer:
We walk, ran, climb, pull and push the things from one place to another.

Question 3.
Write any four works you do using muscular energy.
Answer:
Waling, climbing, pulling, pushing.

Question 4.
Write about any work done by wind energy
Answer:

1. production of electricity from wind
2. people use to make boat and ships to move on the oceans with the help of wind.

Question 5.
How can mechanical energy be converted in to heat energy ? Explain with an example.
Answer:
When we mb our palms, the palms warm, because of friction. When we beat a metal strip continuously with a hammer, it becomes hot. Mechanical energy can be converted into heat energy.

Question 6.
Write any two works done in your home using heat energy?
Answer:

1. Cook food
2. Boil Water

Question 7.
Write your known names of solar energy devices which are used by you?

Answer:

Question 8.
Define wind energy.
Answer:
Any object that is moving has energy in it. Moving air also has energy. It is called wind energy.

Question 9.
How is wind used to Produce Electricity
Answer:
Windmills rotate due to the fast movement of wind. Turbines rotating due to this wind energy produces electricity.

Question 10.
How is water used to produce electricity?
Answer:
Water stored in a dam has potential energy which gets converted into kinetic energy when water passes through the gates of a dam. Stored water flowing through the gates of a dam

Question 11.
List the names of dams you know or which you have visited?
Answer:

1. Kabini dam
2. Alamatti dam

Question 12.
Write two situations of saving electricity?
Answer:

1. Embrace natural light
2. Unplug any appliances that aren’t in use.

Question 13.
Write any four works done by using electric appliances?
Answer:

1. Washing machine – washing cloths
2. Electric Stove – water food
3. Electric geyser – water heating
4. Electric bulb – light purpose

Question 14.
Write the uses of bioenergy?
Answer:

1. It is used for cooking.
2. The energy available from biogas can be converted into electricity and may used for many works.

Question 15.
If you have appliances which make use of fuels at your home, name them?
Answer:

1. Cooking purpose
2. Vtchels

Question 16.
Name the forms of energy.
Answer:

1. Muscular energy.
2. Mechanical energy.
3. Heat energy.
4. Solar energy.
5. Wind energy.
6. Waters stored energy.
7. Electrical energy.
8. Bioenergy.
9. Chemical energy.

Question 17.
Think how energy changes from one form to another form in –

1. A solar cooker
2. An electric heater.

Answer:

1. We get heat and light energy from the sun, From solar energy, we can prepare food using solar cooker.
2. Electrical energy is generated at power stations and supplied to our homes.

Question 18.
State the law of conservation of energy.
Answer:
Energy can neither be created, nor be destroyed. It changes from one from to another. The total eneigy remains constant. This is called law of conservation of energy.

Question 19.
Name three appliaces where electrical energy is used.
Answer:
Appliances such as electric iron box, computer, washing machine etc., use electrical energy.

Question 20.
In the following activities write that the energy changes from which form to what from?
Answer:

Running of petrol car	Chemical energy (fuel)	Mechanical energy
Displaying	Muscular energy	Sound energy
Ironing the cloths	Electrical energy	Heat energy
Drying up of pappad in	Solar energy	Wind energy
Cooking food using biogas (Gober gas)	Fuel energy	Heat energy
Glowing of an electric bulb by rotating turbine.	Electrical energy	wind/ water energy.

Question 21.
By using clues in the bracket, write the alternate energy used [solar water heater, goober gas, solar cooker, solar cells].
Answer:

Activity	Alternate energy used
1. Instead of hearth 2. Electric geyser 3. Cooking rice on the hearth 4. Electric bulb 5. Listening to radio using electric	Goober gas Solar water heater Solar cooker Solar cells Solar cells

Question 22.
Use the clues in the bracket and write and write which alternative energy can be saved by following activities given below. [Fuel, chemical, electric, charcoal]
Answer:

Activity	Saved atternate energy
1. Traveling by Bicycle	Fuel
2. Washing clothes by hand	Electric
3. Producing electricity from wind	Chemical
4. Cooking food using goober gas	Charcoal
5. Not to put on the radio when there is no electricity	Chemical

Class 5 EVS Amazing Energy Additional Questions and Answers

I. Multiple choice questions:

Question 1.
The energy that we get from the sun is called
a. Solar energy
b. Muscular energy
c. Wind energy
d. Water’s stored energy
Answer:
a. Solar energy

Question 2.
The kind of energy produced in gobar gas plant is
a. Heat energy
b. Chemical energy
c. Bioenergy
d. Electrical energy
Answer:
c. Bioenergy

II. Fill in the blanks:

1. The ability to do work is energy
2. The energy which is released by burning of fuels is heat energy
3. Any object that is moving has kinetic energy init.
4. The SI unit of energy and work is Joule

III. Answer the following questions:

Question 1.
Distinguish between potential and kinetic energy
Answer:
Energy possessed by a body due to its position is called potential energy. Energy possessed by a body due to its motion is called kinetic energy.

Question 2.
Define photosynthesis.
Answer:
Plants prepare their food using sunlight. This process is called photosynthesis.

Question 3.
Define a hydroelectric power generating station.
Answer:
The running water hits the turbine with great force, which in turn produces electricity. Such a power station is called hydroelectric power generating station.

Question 4.
Define biogas (or) gobar gas.
Answer:
On decaying in the absence of Air, animal dung, plant residues and agricultural wastes produce a gas called biogas (or) gobar gas.

Question 5.
List the dams built across rivers and hydroelectric power generating stations in Karnataka?
Answer:

1. Almattidam
2. Kbini dam
3. MahtmaGhandiTailRace
4. Varahi

Students can Download EVS Chapter 12 Elements, Compounds and Mixtures Questions and Answers, Summary, Notes Pdf, KSEEB Solutions for Class 5 EVS helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.

Karnataka State Board Class 5 EVS Chapter 12 Elements, Compounds and Mixtures

Class 5 EVS Elements, Compounds and Mixtures Text Book Questions and Answers

Question 1.
What are elements?
Answer:
Elements are those substances which cannot be subdivided chemically or cannot be synthesized out of other elements.

Question 2.
What are compounds?
Answer:
Compounds are those substances which can be decomposed into constituent elements or can be synthesized out of constituent elements.

Question 3.
What are mixtures? Give two examples.
Answer:
Mixtures are impure substances made up of two or more substances. Mixtures may be solids, liquids or gases.

Question 4.
Answer the following questions:

1. Element ansists of a group of same type of _______
2. Compound consists of a group of atoms of different ________
3. A compound is _______
4. A mixture os ________
5. Give five examples to each of these:
   Element: ________ [ oxygen ]
   Compound: ________ [ water ]
   Mixture: ________ [ clay ]

Answers:

1. atom
2. Elements
3. Two or more substances combine chemically.
4. A substance made by mixing other substances together.

Question 5.
Classify the following into elements, compounds, and mixtures
Answer:
Bromine, Soil, Water, Iron, Air, Helium, Sugar, Lime Juice, Methane, Carbon.

Elements	Compounds	Mixture
Bromine, Helium, Carbon,	Water, Sugar, Methane	Air, Lime Juice, Soil

Question 6.
Write the differences between a compound and a mixture. Differences between a compound and a mixture:
Answer:

Compound	Mixture
1. A compound is formed by two or more elements combining chemically. 2. The compound generally will have constituent elements in a definite ratio. 3. Constituent elements in a compound do not retain their original properties 4. Constituents of a compound cannot be separated without chemical reactions.	1. Mixture is formed by mixing two or more substances physically. 2. The constituents in a mixture can be in any ratio. 3. Constituent elements in a mixture retain their original properties. 4. Constituent elements in a mixture can be separated by simple methods.

Class 5 EVS Elements, Compounds and Mixtures Additional Questions and Answers

I. Multiple choice questions:

Question 1.
Water is an example for
a. Elements
b. Impure substance
c. Compound
d. Pure substance
Answer:
a. Elements

Question 2.
Air is a
a. Compound
b. Mixture
c. Element
d. Pure substance.
Answer:
b. Mixture

II. Fill in the blanks:

1. Oxygen is an example for element
2. Water contains hydrogen and oxygen in the ratio of 2:1.
3. There are about 90 natural elements.
4. Plutonium is an artificial element.
5. Gold and Silvr are used in the preparation of ornaments.
6. Copper and Aluminum are used in the preparation of utensils and in electric cables.
7. Helium is an example for gaseous form.
8. The molecular formula of water is H2O
9. In water Hydrogen and Oxygen combine chemically in the ratio of 2:1
10. Air is a mixture of many gases.

Students can Download EVS Chapter 11 Nature of Matter Questions and Answers, Summary, Notes Pdf, KSEEB Solutions for Class 5 EVS helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.

Karnataka State Board Class 5 EVS Chapter 11 Nature of Matter

Class 5 EVS Nature of Matter Text Book Questions and Answers

Question 1.
What is matter?
Answer:
Matter is anything that occupies space and has weight.

Question 2.
State the properties of matter.
Answer:
Properties of matter are:

• Matter occupies space.
• Matter has weight.

Question 3.
How can you prove that matter occupies space?
Answer:
Place a glass beaker completely filled with water on a plate. Immerse a stone tied to a thread slowly into the beaker. Some water in the beaker flows out and collects in the plate.

Question 4.
Name the three forms of matter.
Answer:
The three forms of matter are solids, liquids, and gases.

Question 5.
Think and group these materials in their particular column:
[butter milk, candle,- curd, kerosene, charcoal, honey, piece of brick, smoke.]
Answer:

Solid	Liquid	Gas
Piece of brick candle	buttermilk kerosene honey	smoke charcoal

Question 6.
Fill in the blanks with suitable words
Answer:

1. Ice cube on heating water
2. Water on heating vapor
3. vapor on cooling water
4. water on cooling Ice

Question 7.
Write two factors that density depends.
Answer:
The density depends on two factors:

1. Mass of each particle.
2. Compactness of arrangement of these particles.

Question 8.
Mention the other classification of matter.
Answer:
The other classifications of matter are

1. Elements
2. Compounds and
3. Mixtures.

Question 9.
Explain buoyancy.
Answer:
When an object is immersed in water, it exerts a downward force on water and the water, in turn, exerts an upward force or upthrust on the objects. The upthrust is equal to the mass of the liquid displaced. It is this upthrust that keeps a body afloat. This upthrust is called the force of buoyancy.

Nature of Matter Additional Questions and Answers

I. Multiple choice questions:

Question 1.
Atomic theory was proposed by
a. Kannada
b. John Dalton
c. Lavosier
d. Berzilius
Answer:
a. Kannada

Question 2.
The particles are held tightly in
a. Liquids
b. Plasma
c. Solids
d. Gases
Answer:
d. Gases

Question 3.
Liquids have a
a. Definite volume but not definite shape
b. Definite shape and definite volume.
c. Definite volume
d. Definite shape.
Answer:
b. Definite shape and definite volume.

Question 4.
The quantity of matter in a given object or a substance is called
a. Bouyancy
b. Density
c. Pressure
d. Mass
Answer:
c. Pressure

II. Fill in the blanks:

1. The law of conservation of matter is given bv the scientist John Dalton.
2. SI unit of mass is kilogram
3. The SI unit of density is
4. The elements are classified into metals and nonmetals.
5. Mass is the quantity of matter in a given object (or) a substance.
6. Pressure is the force exerted on a unit area.
7. Volume is the amount of space occupied by matter.
8. Plasma is the fourth state of matter.
9. Visible matter is made up of invisible particles.

III. Answer the following questions:

Question 1.
How are the particles arranged in solids and liquids?
Answer:
In solids, particles are help together closely in a compact manner, in liquids, the particles are close together but they are ot arranged in an order as in case of solids.

Question 2.
Gases have no definite shape and volume. Why?
Answer:
Gas particles in a container move independently in all directions and so it has no definite shape or volume.

Question 3.
What is sublimation?
Answer:
The change of stae from solid to vapour or from vapour tosolid without passing through the liquid state is called sublimation.

Question 4.
State the law of conservation of matter
Answer:
The law of conservation of matter states that the quanity of matter in this universe never varies (that is, the quantity of matter remains the same) regardless of what change it undergoes.

Question 5.
Define density and pressure.
Answer:
Density is the amount of mass contained in a unit volume. Pressure is the force exerted on a unit area.

Question 6.
Define change of state of that substance.
Answer:
This change of a solid substance into liquid substance and then into gases on heating is called change of state of that substance.

Students can Download EVS Chapter 10 Shelter Questions and Answers, Summary, Notes Pdf, KSEEB Solutions for Class 5 EVS helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.

Karnataka State Board Class 5 EVS Chapter 10 Shelter

Class 5 EVS Shelter Text Book Questions and Answers

Question 1.
True or False Statements:
Answer:

1. More families live together in the community houses – True
2. Government provide housing facilities for the poor families by constructing community houses in village & cities – True
3. They are constructed to provide systematic basic facilities for more population over limited areas – False
4. Houses in multi stored buildings are constructed suitable for the residence of a single-family – True.

Question 2.
What is a shelter?
Answer:
A shelter is a place that protects and provides safety for any living organism which live there.

Question 3.
What is a home? mention any four benefits of home to man.
Answer:
A home is a house where a family lives. Benefits of home to man.

• A house protects us from bad weather, extreme cold, heat, rain or wind.
• It gives us safe a shelter with physical and psychological security.
• Good relationship develops between them
• Learn a civilised life.

Question 4.
How are pukka houses better than kuchha houses?
Answer:
We see houses made of bricks, cement, and steel. Such houses are strong and are called pukka houses. Most people live in huts. Huts are usually made up of mud, straw, bamboo and palm or coconut leaves. They are called Kuchha houses.

Question 5.
Write any five features of a good house.
Answer:
Features of a good house:

• Should be clean and airy. The hall (living room) and all the rooms should have ventilation.
• Should have different or separate places for different purposes like cooking, eating sleeping, bathing, resting, studying and storage. However, if the house is very small the same single room could be used for many purposes.
• Should have thick walls for safety and high roof to keep interior cool.
• Should have a proper home drainage system for regular disposal of domestic waste into the main drainage system.
• The sanitary system in the house should be good.
• There should be proper water supply and storage system for continuous availability of good water.

Question 6.
What is the need of clothing for man?
Answer:
Clothing is necessary for protection from heat, cold, rain etc., and also for a decent living in a civic society.

Question 7.
What are the two type of natural fibres? Give two examples for each.
Answer:
The two types of natural fibres:

1. Plant fibres
   Example: Cotton, Jute and Linen
2. Animal fibres
   Example: Silk and Wool.

Question 8.
What are synthetic fibres?
Answer:
They are man-made, artificially obtained . from petroleum products using chemical processes.

Class 5 EVS Shelter Additional Questions and Answers

I. Fill in the blanks:

1. The shelter of modem man is a house.
2. An Igloo is a small house constructed using ice.
3. People living with ice and snow region are called Eskimos.
4. Houses in hilly areas are made of bamboo and wood.
5. Houses have a rainwater harvesting system to collect store rainwater.

II. Match the regions/areas given in column ‘A’ with the tyes of houses given in column ‘B’:

A	B
1. Polar regions 2. Deserts 3. Earthquake 4. flooded areas 5. Rainy places	a. Stilt houses b. Slopping roofs c. Igloos Prone regions d. Houses with mud walls e. Wooden houses f. Tents.

Answer:

1. c
2. f
3. e
4. a
5. b

Students can Download EVS Chapter 9 Food Questions and Answers, Summary, Notes Pdf, KSEEB Solutions for Class 5 EVS helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.

Karnataka State Board Class 5 EVS Chapter 9 Food

Class 5 EVS Food Text Book Questions and Answers

Question 1.
What do you mean by food?
Answer:
Substances from which an organism derives nutrients and energy for its growth and development is known as food.

Question 2.
Why do we need food?
Answer:
Food gives us energy to work. We need energy to move, walk, talk, run, sleep, write, etc..

Question 3.
Classify the food materials:
Answer:

Food materials from a plant source	Food materials form animal source
Rice, mango, cauliflower, fenugreek – seeds, carrot, radish.	Vliet, ghee, egg, milk, buttermilk.

Question 4.
Mention the two types of nutrients
Answer:
There are two types of nutrients namely macronutrients and micronutrients.

Question 5.
Name the components of food
Answer:
The components of food are carbohydrates, proteins, lipids, vitamins and minerals, roughage and water.

Question 6.
What is balanced diet?
Answer:
Food which contains all the nutrients in a required quantity is died balanced diet.

Question 7.
Name any two food items rich in proteins
Answer:
Milk, eggs, fish, meat, pulses like green gram,, cowpeas, urad, soybean, etc.,

Question 8.
Name any six food items that we get from plants.
Answer:
Potato, sweet potato, bread, honey, rice, wheat, maize, fruits, etc.,

Question 9.
Name the cereals.
Answer:
The grains like wheat, rice, jower.

Question 10.
Name some pulses?
Answer:
Dal variety like moong dal, urd dal, toor dal.

Question 11.
Name some oilseeds.
Answer:
Seeds like sesame groundnut, castor sunflower.

Question 12.
Name some Junk foods.
Answer:
Panipuri, chips, gobi manchuri etc.,

Question 13.
Distinguish between macronutrients and micronutrients.
Answer:

1. Macronutrients are required in large quantities. They include Carbon, Hydrogen, Nitrogen, Oxygen, etc.
2. Micronutrients are required in minute quantities. They include Phosphorus, Sodium, Calcium, Iron, etc.

Question 14.
Name the group of nutrients.
Answer:

1. Carbohydrates
2. Proteins
3. Lipids
4. Vitamins
5. Minerals.

Question 15.
Name the types of food substances based on their function.
Answer:

1. Energy giving foods.
2. Bodybuilding foods.
3. Protective nutrients.

Question 16.
Explain the features of a good house?
Answer:

1. The hall and all the rooms should have ventilation.
2. Should have thick walls for safety and high roof to keep interior cool.
3. The Sanitary system in the house should be good.
4. Should have a proper home drainage system for regular disposal of domestic waste into the main drainage system
5. There should be proper water supply and storage system for the continuous availability of good water.

Question 17.
How to keep our house clean and hygienic?
Answer:

1. Clean every portion of your house regularly.
2. The kitchens, bathrooms, toilets and washbasins are to be cleaned regularly using cleaning agents or phenol.
3. Environment-friendly insecticides and pesticides can be used to destroy disease-causing insects or germs.
4. Curtains for safety and beauty should cover the doors and windows. They must be washed regularly.
5. Better to use diffluent portions or rooms for specific purposes.

Question 18.
Carbohydrates are called energy producers.
Answer:
They act like fuel the body to provide eneigy for different activities.

Question 19.
Proteins are called bodybuilders.
Answer:
Proteins are responsible for the formation and development of tissues like Skin, blood, muscles, and bones.

Question 20.
Vitamins and minerals are called body regulators.
Answer:
Vitamins and Minerals are the nutrients required for protecting the body against infection and diseases, for good eyesight, good digestion, healthy teeth, strong bones, growth of the body and functioning of muscles and nerves.

Question 21.
Water is generally included as food.
Answer:
Water helps our body so absorb nutrients from food. It also helps in the discharge of waste products such as urine and sweat from the body.

Class 5 EVS Food Additional Questions and Answers

I. Multiple choice questions:

Question 1.
Food item that provides energy is
a. Bread
b. Spinach
c. Tomato
d. Egg
Answer:
d. Egg

Question 2.
The food item that has carbohydrate is
a. Ghee
b. Pulses
c. Rice
d. Salt.
Answer:
c. Rice

II. Fill in the blanks:

1. Carbohydrates give us instant energy
2. Lipids are made up of Carbon, Hydrogen, and Oxygen in the ratio 4.5:9:1
3. The component of food which helps in healing of wound is proteins
4. The food which includes nutrients is called nutritious food
5. Fibers found in vegetables and fruits are called Roughage.
6. Carbohydrates are made up of Carbon Hydrogen and Oxygen
7. The common carbohydrates in our food are starch and sugars
8. The elements present in the lipids are Carbon, Hydrogen, and oxygen.
9. Carbohydrates are called energy producers.
10. Proteins are called bodybuilders.
11. Vitamins and minerals are called body regulates.
12. Milk is complete food
13. Students of primary school drink about 3 – 4 liters of water every day.

III. Match the nutrients given in column ‘A’with the examples given in column ‘B’:

A	B
1. Carbohydrate 2. Lipid 3. Protein 4. Vitamins 5. Roughage	a. Orange b. Soybean c. Water d. Radish e. Rice

Answer:

1. e
2. f
3. b
4. a
5. d

Students can Download EVS Chapter 8 Agriculture Questions and Answers, Summary, Notes Pdf, KSEEB Solutions for Class 5 EVS helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.

Karnataka State Board Class 5 EVS Chapter 8 Agriculture

Class 5 EVS Agriculture Text Book Questions and Answers

Question 1.
What is agriculture?
Answer:
The practise of growing plants on a large scale for food or other purpose is called agriculture.

Question 2.
How many stages are there in agriculture? Write them in an order.
Answer:

1. Ploughing of field.
2. Use of the fertilizers
3. Sowing of seeds
4. Irrigation of field
5. Protection of crops
6. Harvesting of crops.

Question 3.
How is crop rotation useful to farmers?
Answer:
crop-rotation is important to keep the soil fertile.

Question 4.
What is a seed drill?
Answer:
Sowing of seeds is usually done either manually or with the help of an instrument called seed drill.

Question 5.
Who introduced high yielding varieties of wheat in India?
Answer:
M.S. Swaminathan.

Question 6.
What are crops?
Answer:
The plants that are grown in large quantities in a particular area of region at a particular season.

Question 7.
What is ploughing?
Answer:
The process of turning and loosening of the soil is called ploughing.

Question 8.
What are broadcasting of seeds?
Answer:
Sowing of seeds by scattering over a large area is called broadcasting of seeds.

Question 9.
Look at the pictures given below. Read the statements given in front of the pictures. The pictures and statements do not match with each other. Match the pictures with the correct statements by drawing a line.

Answer:

1. Harvesting the crop either manually or with the help of machines.
2. Supplementing the crop with organic or chemical fertilizers for proper growth of the crop.
3. Protect the crop from animals, birds, insects and diseases.
4. Proper Irrigation to get good crop.
5. Ploughing the land to grow crops.
6. Sowing the seeds to raise a crop.

Question 10.
Define irrigation
Answer:
It is process by which sufficient quantity of water is supplied to the crop and plants through canals, wells, tube wells and reservoirs.

Question 11.
What is pesticides?
Answer:
A substance used for destroying insects or other organisms harmful to cultivated plants.

Question 12.
Define mixed Cropping? Give one example.
Answer:
Cultivation of two or more crops on the same field at the same season is called mixed cropping.
Eg: Growing jower with toorda.

Question 13.
Which includes in harvesting of crops.
Answer:

1. Cutting and gathering of ripened crops.
2. Processing such as drying, sorting cleaning and other tanks depending on the crop.

Class 5 EVS Agriculture Additional Questions and Answers

I. Multiple choice questions:

Question 1.
Cultivation of two or more crops on the same field in the same season is called
a. Crop rotation
b. Mixed cropping
c. Harvesting
d. Ploughing
Answer:
b. Mixed cropping

Question 2.
Cultivation of two or more crops on the same field in different seasons is called
a. Mixed cropping
b. Harvesting
c. Crop rotation
d. Sowing.
Answer:
c. Crop rotation

II. Fill in the blanks:

1. M.S.Swaminathan is known as father of green revolution.
2. 70% of the population is engaged in agriculture.
3. Fertilizers are added to the soil to increase its fertility.
4. April 22nd of every year is celebrated as earth day.
5. Agriculture is the main occupation of people in India.
6. People who work on farms are called Farmers.

III. Match the process of agriculture given in column ‘A’with the meaning given in column ‘B’.

A	B
1. Ploughing 2. Harvesting 3. Manuring 4. Irrigation 5.Protection of crops	a. Seed drill b.Watering the field c. Tuming and loosening the soil d. Spraying of pesticides e. Cutting and gathering the ripened crops f. Increases the fertility of the soil.

Answer:

1. c
2. e
3. f
4. b
5. d

Students can Download EVS Chapter 7 Water Questions and Answers, Summary, Notes Pdf, KSEEB Solutions for Class 5 EVS helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.

Karnataka State Board Class 5 EVS Chapter 7 Water

Class 5 EVS Water Text Book Questions and Answers

Question 1.
Where can you find more water on the earth?
Answer:
Oceans

Question 2.
What is the consumable quantity of freshwater?
Answer:
Only 2.5 – 2.75 % is freshwater.

Question 3.
What are the sources of fresh water?
Answer:
Groundwater, surface water (streams, rivers, lakes, reservoirs)

Question 4.
Write your known sources of water?
Answer:
Ocean, Rivers, Wells, Ponds.

Question 5.
Name some important rivers of Karnataka?
Answer:
Kaveri, Tungabhadra, Sharavati, Malaprabha, Kali River, Netravathi, Bhadra, Tunga River.

Question 6.
Write the names of any two water reservoirs in Karnataka.
Answer:
Almatti, Basava Sagara.

Question 7.
Difference between pond and Reservoir?
Answer:

Pond	Reservoir
1. An artificially man-made low level portion of land is called pond 2. Its capacity of water is less	1. Dams are constructed across the rivers. 2. These are storage capable of storing water in large scale

Question 8.
Write the uses of pond and Reservoirs?
Answer:
Pond: Lawns and soil based plants require watering and It’s good to have some where for rainwater to go instead of being wasted. Reservoirs: Use to generate electricity, irrigation, human consumption, industrial use, agriculture.

Question 9.
True of false statements.
Answer:

1. Water has weight – False
2. Water do not flow from higher level to lower levels – False
3. Water do not occupy the space – False
4. Particles in water are rarely arranged – True
5. Water get evoparates when heated – True
6. Vapour turns in to water when condenced – True.

Question 10.
Why are water sources get polluted?
Answer:
Water is physically polluted by mud, garbage, paper, food reciduals etc. Water mixed with industrial chemicals, chemical fertilizers, insectisides have dangerous components which turns the water poisionous.

Class 5 EVS Water Additional Questions and Answers

I. Multiple choice questions:

Question 1.
The largest source of water on the earth is
a. River
b. Ocean
c.Pond
d.Well
Answer:
b. Ocean

Question 2.
The substance in which solute is dissolved is called
a Solution
b. Solute
c. Solvent
d. all of the above
Answer:
c. Solvent

II. Fill in the blanks:

1. The two forms of well tube well and open well
2. Rainwater is the major sources of water on the earth.
3. Water is universal solvent.
4. 97.2% of water a available on the earth is present in seas & oceans.
5. Boiling point of water is 100 degreeC.

III. Answer the following questions:

Question 1.
Mention the uses of water.
Answer:
Water is used for many purposes like drinking, bathing, cooking and washing. It is also needed in large quantity for agriculture and industry.

Question 2.
Name the different sources of water?
Answer:
The different sources of water are; Rain, river, ocean, ponds, springs and wells.

Question 3.
Which is the main source of under groundwater?
Answer:
Rainwater is the major source of water on the earth.

Question 4.
What is spring water?
Answer:
Water stored under the earth’s crust comes out on pressure through a opening. This is called spring water.

Question 5.
What is universal solvent? Explain with an experiment to show that water is a universal solvent.
Answer:
Most substances dissolve in water. Take some water in a beaker. Add a spoonful of salt to the water and stir well. You cannot see the salt. The salt is mixed up with the water. Hence, it is called universal solvent.

Question 6.
What is potable water?
Answer:
Water is used for many purposes. Water which is fit for drinking is called potable water.

Question 7.
Why is naturally available water not fit for drinking?
Answer:
Natural water contains many unwanted substances. It is necessary to purify water before it is used for drinking and cooking. The water with unwanted substances and bacteria used for drinking and cooking can cause many diseases like Typhoid, Cholera, Jaundice and Diarrhoea.

Question 8.
Define a solution?
Answer:
A solution is a mixture in which one substance gets dissolved in another substance.

Question 9.
What is a solute?
Answer:
The substance which dissolves is called solute.

Question 10.
What is a solvent?
Answer:
The substance in which solute is dissolves is called solvent.

Students can Download EVS Chapter 6 Air Questions and Answers, Summary, Notes Pdf, KSEEB Solutions for Class 5 EVS helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.

Karnataka State Board Class 5 EVS Chapter 6 Air

Class 5 EVS Air Text Book Questions and Answers

Question 1.
Air is not visible but its presence can be felt. How do you know that air is in your surroundings? Write three experiences.
Answer:

1. While walking an street, sometimes we feel that wind is pushing us,
2. Cloths hanged to dry them will fly here and there when wind blows.
3. Kites fly up in the sky.

Question 2.
Study the composition of air shown in the picture and answer the following questions

Answer:

1. Which gas is the major component of air?
   Nitrogen ( 78% )
2. What is the percentage of gas is present in air which is required for our breathing?
   Oxygen (21%)
3. What is the normal percentage of carbon dioxide in air?
   0.04%
4. Which is the least component present in air?
   Carbon dioxide

Question 3.
What is being done here to make the stove burn? What do you learn from this write here?
Answer:

Air helps things to burn

Question 4.
Match the drawing lines.
Answer:

Question 5.
Write any two measures to prevent air pollution?
Answer:

1. Preferring public transport
2. Avoid burning of substances near civilian areas.

Question 6.
In the following pair of figures identify the right and wrong ones. By the concept of air pollution and write the reasons.

Answer:

Class 5 EVS Air Additional Questions and Answers

I. Multiple choice questions:

Question 1.
The chief constituent of air is
a. Hydrogen
b. Oxygen
c. Nitrogen
d. Carbon
Answer:
b. Oxygen

Question 2.
Nitrogen occupies ______ by volume of air.
a. 78%
b. 74%
c. 90%
d. 72%
Answer:
a. 78%

II. Fill in the blanks:

1. Air is a mixture of many gases.
2. Air is one of the natural resources
3. Nitrogen occupies 78% by volume of air.

III. Answer the following questions:

Question 1.
Name the constituents of air?
Answer:
Air is mixture of several gases like Nitrogen, Oxgen, Carbon dioxide, water vapor, insert gases and dust particles.

Question 2.
Write any two properties of air.
Answer:

1. Air occupies space.
2. Air has weight.

Question 3.
‘Air has weight’ – explain this with an experiment.
Answer:
Take two balloons of the same size, and mark them as A and B and blow them to equal size. The these ballon to the end of a meter scale. Move the balloons along the scale to balance the scale. Slowly allow the air from ballon A to escape. The scale becomes imbalanced when the air is released from ballon A and the side of the scale with ballon B goes down. This shows air has weight.