GRADE 9 QUIZ

1. refers to the gradual rise in the earth’s temperature as a result of human activities

• greenhouse

• global warming

• fossil fuel

• atmosphere

2. A glass building used to grow plants. It keeps the plants warm and protects them from bad weather.

• greenhouse gases

• greenhouse effect

• greenhouse

• green house garden

3. When too many _______ are released into the air, they trap the sun’s heat and cause the earth to get warmer.

• greenhouse effect

• atmosphere

• greenhouse

• greenhouse gases

4. refers to a build-up of gases in the air around the earth, which causes the earth’s temperature to rise.

• greenhouse effect

• greenhouse gases

• greenhouse

• greenhome

5. Fuels like coal and oil, formed from the remains of decayed plants and animals, are called _______.

• artifacts

• fossil

• fossil fuels

• fossil oil

6. The ________ is the layer of air and other gases that surround the Earth.

• air

• atmosphere

• space

• none of these

7. When you _________, this means that you do something to change a situation so that different parts are no longer equal

• tilt the balance

• tilt the earth

• tilt the ground

• tilt the atmosphere

8. When you ________ , this means that you cut down all the trees.

• clear the sea

• clear the plains

• clear forests

• clear the air

9. Burning fuel ________ carbon dioxide into the atmosphere.

• receive

• releases

• acquire

• absorb

10. Plants and trees _________ carbon dioxide from the air

• produce

• acquire

• release

• absorb