Quiz Unit 4 - 7° básico

Read and choose a word for the definition. (Lee y selecciona una palabra para la definición)​

1) (a)   : Cutting down many trees in the forests.

• Overfishing
• Deforestation

Read and choose a word for the definition. (Lee y selecciona una palabra para la definición)​

2) ​ (a)   : Catching too many fish from the sea, leaving fewer fish.

• Global warming
• Overfishing

Read and choose a word for the definition. (Lee y selecciona una palabra para la definición)​

3) ​ (a)   : Damage to the layer in the sky that protects us from the rays of the sun.

• Greenhouse gases
• Ozone layer depletion

Read and choose a word for the definition. (Lee y selecciona una palabra para la definición)​

4) ​ (a)   : Not having enough clean water for people to use.

• Fossil fuels
• Water scarcity

Read and choose a word for the definition. (Lee y selecciona una palabra para la definición)​

5) ​ (a)   : When animals or plants could disappear forever.

• Fossil fuels
• Danger of extinction

Read and choose a word for the definition. (Lee y selecciona una palabra para la definición)​

6) ​ (a)   : The Earth is warming due to pollution.

• Greenhouse gases
• Global warming

Read and choose a word for the definition. (Lee y selecciona una palabra para la definición)​

7) ​ (a)   : Sources of energy such as coal, oil, and gas that come from the ground.

• Coal
• Fossil fuels

Read and choose a word for the definition. (Lee y selecciona una palabra para la definición)​

8) ​ (a)   : The ice at the North and South Poles is melting because the Earth is too hot.

• Global warming
• Polar ice melting

Read and choose a word for the definition. (Lee y selecciona una palabra para la definición)​

9) ​ (a)   : The smoke that comes out of cars, which pollutes the air.

• Coal
• Car fumes

Read and clasify the sentences into causes and effects. (Lee y clasifica las oraciones en causas y efectos)

Groups:

(a) Cause

,

(b) Effect

• people have respiratory problems.

• it boils.

• If you avoid using disposable items,

• If you heat water,

• you reduce the amount of waste.

• You can save water

• if you use rain water

• We get a headache,

• if there is noise pollution.

• If the air is too polluted,