Air
Water
Water Cycle
Clouds
Conservation
100

All living things (plants, animals, and humans) need _____ to breathe.

air

100

Name the three states that water comes in.

solid, liquid, and gas

100

Name the four stages of the water cycle (in order).

evaporation, condensation, precipitation, and collection

100

Name the four types of clouds.

cumulous, cirrus, stratus, and nimbus

100

What two things to all living things need to survive?

air and water

200

Animals and humans breathe in _____ and breathe out _____.

oxygen; carbon dioxide

200

What is water called when it is a gas?

water vapour (steam)

200

What stage is it when water droplets join together to form clouds?

condensation

200

What type of cloud is thin and wispy, made of ice crystals, and high in the sky?

cirrus

200

Name one thing that pollutes the air.

cars, factories

300

Plants take in _____ and give off _____.

carbon dioxide; oxygen

300

Give two examples of solid water.

ice, snow, hail

300

What stage is it when rain, snow, and hail join together on Earth in the lakes, rivers, and oceans?

collection

300

What type of cloud is fluffy and white, low in the sky, and brings nice weather?

cumulus

300

Name two things that pollute our water.

factories, salt, fertilizer, construction, acid rain, litter, etc.

400

Moving air is called _____.

wind

400

At what temperature does liquid water freeze and become a solid?

oC

400

What stage is it when the water heated by the sun turns into water vapour and starts rising in the air?

evaporation

400
What type of cloud is grey and fluffy, low in the sky, and may bring thunder and lightning?

nimbus

400

Name one thing you can do to help keep our air clean.

- walk
- ride a bike
- take the bus

500

Name two ways that people use wind.

spreading seeds, flying a kite, clouds, flags, sailboats, windmill, etc.

500

At what temperature does liquid water evaporate and become a gas?

100 oC

500

What stage is it when the clouds get too heavy and let all the water out as rain, snow, or hail?

precipitation

500
What type of cloud is grey, low in the sky, covers the sky, and may bring rain?

stratus

500

Name two things you can do to help save water.

- shorter showers

- turn off the tap when not using it
- full dishwasher and washing machine
- collect and use rainwater (for plants, car washing, etc.)

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