KS3 Climate and Earths resourses

Which of the following is a greenhouse gas?

• carbon monoxide
• oxygen
• nitrogen
• carbon dioxide

The gradual increase in the average temperature of our planet Earth is called

• Greenhouse Effect
• Global Warming
• Greenland Effect
• Ice Age

The air is mainly made up of ........

• nitrogen

• oxygen

• carbon dioxide

• Happyness

Plants use what gas in photosynthesis?

• carbon dioxide

• oxygen

• helium

• Nitrogen

Combustion is another word for _______________.

• a train

• a bus

• a dog

• burning

Bacterias that decompose dead plants release _____________ back into the atmosphere.

• water

• nitrogen

• oxygen

• carbon

We mine for _________ to get most metals

• rock

• ore

• pure metals