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What makes swimming ring float on the water?
The air inside
Why can't we see air?
Because it has no colour and no smell.
What do living things need to survive?
Air, water, food
What is the characteristic of polluted air?
Polluted air is dirty and smelly.
What are the uses of air?
Air is needed for breathing, for burning, for moving things
What is wind?
Wind is moving air.
What happens when honey is mixed with water?
It changes the colour of the water.
What makes the air polluted?
Smoke and dust from factories and cars.
How does ice turn into water?
When it melts
How is ice produced?
When water freezes, it turns into ice.
How is steam produced?
When water boils, it produces steam.
What is the air we breathe out?
Carbon dioxide/ CO2
What do we call the air that we breathe in?
Oxygen
Why does a swimmer need to leave his head up the water?
To take in air / To breathe
Why is polluted air harmful?
It can make us sick.
[Sailboat, campfire, tyre] Which thing needs air for burning?
Campfire
[ Balloon, windmill. candle] Which thing needs air to work?
Balloon
Where can we find water? Mention two water resources.
Lake, sea, pond, river
What characteristic of water is shown by the picture?
Water takes the shape of its container.
What is produced when water boils?
Steam
What do plants get from the soil?
Water and nutrients and support
What are slates and marbles used for?
To build buildings, roofs, tiles
What are the examples of metamorphic rocks?
Slates and marbles
What is this building made of?
White marble
Which part of a plant is in the soil?
The roots
What rock was used to build this building?
Limestone
What is this building called?
The Great Pyramid of Giza.
How are these rocks different?
They are different in textures.
Mention two places where rocks are found!
Cave, beach, mountain. etc.
Mention 3 things made of rocks.
Building, bridge, statue, wall, etc.
TRUE or FALSE. These rocks are different in textures.
FALSE
How are these rocks different?
They are different in shapes.
What is this building called?
The Taj Mahal
How are these rocks different?
They are different in sizes.
What do plants need to grow?
Air, water, sunlight, soil
What is the ground made of?
Rocks and soil