Greenhouse Effect (5.13)

Question 1

List 3 greenhouse gases

Answer 1

Carbon dioxide, methane and nitrous oxide

Question 2

Give the definition of the term anthropogenic

Answer 2

Environmental change caused by human activity directly or indirectly

Question 3

Explain how greenhouses gases lead to the greenhouse effect

Answer 3

When greenhouses gases are emitted they become part of the ozone layer making it thicker. This leads to more infra-red rays from the sun rebounding back off the ozone after hitting earth warming the earth’s surface temperature.

Question 4

Give a definition of global warming

Answer 4

A gradual increase of the earth’s surface temperature due to the greenhouse effect