What gas do humans need to breathe?
Air
What do all living things need to survive?
Water.
Water changing from liquid to gas is called…
Evaporation.
Name something people use water for.
Drinking, washing, cooking, watering plants.
Throwing garbage on the ground is called _______.
Littering/Polluting.
What colour is clean water?
Clear.
True or False: Air takes up space.
True
Name ONE place where water is found.
Oceans, lakes, rivers, ponds, rain, snow, etc.
Water changing from gas to liquid is called…
Condensation.
Name something people use air for.
Breathing, blowing bubbles, balloons, kites.
What do we call things that make air or water dirty?
Pollution.
Snow is water in what form?
Solid.
This helps us know that air is moving.
Wind
Ice is water in which form?
Solid.
When water collects in lakes and oceans, this is called…
Collection.
True or False: Fish need clean water to survive.
True.
Name one way to help keep water clean.
Recycle, don’t litter, pick up trash near water.
Why should we not pour chemicals down the drain?
It pollutes water.
Name one way we can see air effects. (How do we know it is there?)
Moving leaves, blowing hair, flying kites, etc.
What is it called when water falls from the sky?
Precipitation.
What forms in the sky when water vapor cools?
Clouds.
What happens if we leave a tap running?
We waste water.
Name one way to save water at home.
Turn off taps, shorter showers, fix leaks.
Water can change shape because it is a _______.
Liquid.
What makes a kite rise into the sky?
Wind (moving air).
What form of water is steam?
Gas.
What powers the water cycle?
The sun.
Why do airplanes need air?
So they can fly.
Clean air and water help humans stay _______.
Healthy.
Why do puddles disappear after the sun comes out?
The water evaporates into the air as water vapour.