Air, Water, and Weather
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Properties and composition of air
SubtopicProperties and composition of air under Air, Water, and Weather for Grade 3 ICSE.
Preview questions (no answers)
- 1.
To keep the air in our homes fresh, we should have ________.
A.Closed doors
B.Windows and ventilators
C.Thick curtains
D.No fans
- 2.
What do we call the air we breathe out?
A.Fresh air
B.Exhaled air
C.Oxygen
D.Nitrogen
- 3.
Which of these gases is present in a very small amount (about 1%) in the air?
A.Nitrogen
B.Oxygen
C.Carbon dioxide and others
D.Hydrogen only
- 4.
When you fan yourself on a hot day, you feel the ________ moving against your skin.
A.Water
B.Air
C.Light
D.Heat
- 5.
What is the primary role of Nitrogen in the air regarding burning?
A.It helps things burn very fast
B.It acts as a fuel for fire
C.It helps in controlling the process of burning
D.It is used in fire extinguishers only
- 6.
Earthworms come out of the soil during heavy rains because ________.
A.They like to dance in the rain
B.The air spaces in the soil get filled with water
C.They want to drink water
D.The soil becomes too hot
- 7.
Why should we avoid sleeping in a room with a lot of burning coal and no windows open?
A.It will be too bright
B.It will be too cold
C.The level of poisonous gases like carbon monoxide increases
D.The air will become too fresh
- 8.
Which statement about the property 'Air occupies space' is true?
A.It only applies to balloons
B.It applies to all containers, even those that seem empty
C.It only applies when the air is hot
D.It is only true for Oxygen, not Nitrogen
- 9.
Earthworms come out of the soil during heavy rains. This is because:
A.They like to dance in the rain
B.The air spaces in the soil are filled with water, and they cannot breathe
C.They need to drink the rainwater
D.The rain turns Nitrogen into food for them
- 10.
Which gas is needed for the process of 'rusting' of iron besides moisture?
A.Nitrogen
B.Carbon dioxide
C.Oxygen
D.Helium
Download the worksheet for Air, Water, and Weather - Properties and composition of air to practice offline. It includes additional chapter-level practice questions.
Sources and uses of water
SubtopicSources and uses of water under Air, Water, and Weather for Grade 3 ICSE.
Preview questions (no answers)
- 1.
Which of these is an example of a natural source of water?
A.Pond
B.Hand pump
C.Tap
D.Overhead tank
- 2.
Sea water is not fit for drinking because it contains a lot of _______.
A.Sugar
B.Salt
C.Soap
D.Oil
- 3.
We should wash our _______ with water and soap before every meal.
A.Hair
B.Hands
C.Shoes
D.Bags
- 4.
Most plants take in water from the soil through their _______.
A.Flowers
B.Leaves
C.Roots
D.Fruit
- 5.
Which of these would happen if there was no water on Earth?
A.Plants would grow faster
B.All living things would die
C.Animals would start flying
D.The Earth would become colder
- 6.
Which of the following describes the taste of pure water?
A.Sweet
B.Salty
C.Sour
D.Tasteless
- 7.
Water is a natural resource. What does 'resource' mean here?
A.Something we play with
B.Something useful found in nature
C.Something that is very expensive
D.Something that only animals use
- 8.
When we say water is used to 'maintain hygiene', which of these activities are we referring to?
A.Drinking 8 glasses of water a day
B.Bathing and washing hands with soap
C.Watering the plants in the balcony
D.Boating in a lake
- 9.
Which of these would happen if the 'Source' of a river (a glacier) completely melted away and disappeared?
A.The river would flow faster and become deeper forever.
B.The river would eventually dry up and stop flowing.
C.The river would start flowing from the sea to the mountain.
D.The river water would become saltier.
- 10.
Why do we say that water is 'Universal Solvent' when talking about its uses?
A.Because it can be found everywhere in the universe.
B.Because it can dissolve many different substances like sugar and salt.
C.Because it is used to put out fires across the world.
D.Because it can turn into ice and steam.
Download the worksheet for Air, Water, and Weather - Sources and uses of water to practice offline. It includes additional chapter-level practice questions.
States of water (Ice, Water, Steam)
SubtopicStates of water (Ice, Water, Steam) under Air, Water, and Weather for Grade 3 ICSE.
Preview questions (no answers)
- 1.
Ice, liquid water, and steam are all different _____ of water.
A.Colors
B.Weights
C.States
D.Sizes
- 2.
Steam is produced only when we _____ water.
A.Freeze
B.Cool
C.Heat
D.Filter
- 3.
When steam is cooled, the process of turning back into water is called _____.
A.Melting
B.Freezing
C.Condensation
D.Boiling
- 4.
Which of these will turn back into liquid if left on a kitchen table?
A.A glass of milk
B.A block of wood
C.An ice cube
D.A metal spoon
- 5.
Mist and fog are examples of water vapor that has _________ near the ground.
A.Evaporated
B.Frozen
C.Condensed
D.Boiled
- 6.
Which of these will happen if you leave a glass of water in a very hot room for a long time?
A.It will freeze into ice
B.It will evaporate slowly
C.It will turn into snow
D.The amount of water will increase
- 7.
Which of the following is true for all three states of water?
A.They all have the same shape
B.They all are made of the same substance
C.They all have the same temperature
D.They all can be held in our hands
- 8.
If you put an equal amount of water in a shallow plate and a deep narrow glass, which one will dry up first in the sun?
A.The deep narrow glass because it holds more water
B.The shallow plate because it has a larger surface area for evaporation
C.Both will dry up at the same time
D.Neither will dry up
- 9.
What are clouds mainly composed of?
A.Only invisible gas
B.Tiny droplets of water or tiny ice crystals
C.Large buckets of water floating in the sky
D.Smoke and dust from factories
- 10.
Identify the process: Water Vapor Liquid Water
A.Melting
B.Freezing
C.Condensation
D.Evaporation
Download the worksheet for Air, Water, and Weather - States of water (Ice, Water, Steam) to practice offline. It includes additional chapter-level practice questions.
The Water Cycle
SubtopicThe Water Cycle under Air, Water, and Weather for Grade 3 ICSE.
Preview questions (no answers)
- 1.
The water cycle is important because it ____.
A.Makes the Earth dry
B.Provides fresh water for life
C.Keeps the sun hot
D.Changes the color of the sea
- 2.
Which of these is a way water moves from the land back to the ocean?
A.Through rivers
B.By sitting in a bucket
C.By staying as ice
D.By people carrying it
- 3.
On a hot day, you see water drops on the outside of a cold juice glass. Where did they come from?
A.The juice leaked out
B.Water vapor from the air cooled down
C.The glass is melting
D.It rained inside the room
- 4.
What is the name of water that is found in wells and springs?
A.Ocean water
B.Groundwater
C.Rain water
D.Puddle water
- 5.
Which of these is a liquid form of precipitation?
A.Hail
B.Snow
C.Rain
D.Frost
- 6.
When we breathe out on a very cold winter morning, we can see a 'tiny cloud'. This is because:
A.Our breath is turning into ice
B.Warm water vapor from our breath condenses in the cold air
C.The air is entering our lungs
D.We are breathing out smoke
- 7.
Why do clouds move from one place to another?
A.They are pushed by the wind
B.They have small engines
C.The sun pulls them
D.They are looking for water
- 8.
Why does the 'Water Cycle' keep the total amount of water on Earth mostly constant?
A.Because water is destroyed during evaporation.
B.Because water only changes form and location, it doesn't leave the planet.
C.Because new water arrives from the sun every day.
D.Because clouds are made of new water created in space.
- 9.
Which of these would most likely decrease the amount of evaporation from a bucket of water?
A.Putting the bucket in a dark, cool cellar.
B.Moving the bucket into the direct sunlight.
C.Pouring the water into a wide, flat tray.
D.Turning on a fan and pointing it at the bucket.
- 10.
If you see 'frost' on a car window, what has happened to the water vapor in the air?
A.It condensed into liquid and then froze into ice.
B.It turned directly from a gas to a solid because the glass was very cold.
C.The glass leaked water from the inside.
D.The car was washed with freezing water.
Download the worksheet for Air, Water, and Weather - The Water Cycle to practice offline. It includes additional chapter-level practice questions.
Weather and Seasons
SubtopicWeather and Seasons under Air, Water, and Weather for Grade 3 ICSE.
Preview questions (no answers)
- 1.
Water is ________.
A.Blue in color
B.Tasteless
C.Always solid
D.Smelly
- 2.
Which of these is used to keep our homes cool in summer?
A.Heater
B.Blanket
C.Air conditioner
D.Fireplace
- 3.
The three forms of water are solid, liquid, and ________.
A.Hard
B.Soft
C.Gas
D.Metal
- 4.
What do we call a period when there is no rain for a very long time?
A.Flood
B.Drought
C.Storm
D.Winter
- 5.
During the Monsoon season, farmers are happy because the rain ________.
A.Makes the soil dry
B.Helps the crops to grow
C.Kills the plants
D.Turns the water into ice
- 6.
Why is the weather in the morning and evening cooler than at noon?
A.The Sun is not in the sky
B.The Sun's rays are slanting
C.The Sun is closest to Earth
D.It always rains in the morning
- 7.
The condition of the atmosphere at a particular place and time is called ________.
A.Season
B.Climate
C.Weather
D.Environment
- 8.
What happens to the level of water in a lake during a very hot summer due to evaporation?
A.The water level rises
B.The water level remains the same
C.The water level goes down
D.The water turns into ice
- 9.
When we say 'it is a cloudy day', how does this usually affect the temperature during the day?
A.It becomes much hotter because clouds trap the sun's light
B.It becomes cooler because clouds block the sun's rays from reaching the ground
C.The temperature remains exactly the same
D.It always starts snowing
- 10.
Which of the following is true about the composition of air?
A.It is a pure substance
B.It is a mixture of several gases, water vapor, and dust
C.It is made of only Oxygen and Carbon dioxide
D.It contains only water vapor
Download the worksheet for Air, Water, and Weather - Weather and Seasons to practice offline. It includes additional chapter-level practice questions.