Global warming

Question 1

3 causes of global warming

Answer 1

• To much CO2 in the atmosphere

- fossil fuel burning and deforestation, and methane, released from rice paddies, landfill sites and animal farming

Question 2

3 effects of global warming

Answer 2

• extreme climate changes
• an increase in global average temperatures
• big ice sheets like Greenland and Antarctica will melt causing sea levels to rise and threaten coastal cities and low-lying countries
• because of the extreme climate changes so quickly plants and animals won’t be able to adapt quick enough and may die out.

Question 3

Explain greenhouse effect

Answer 3

The greenhouse effect is the natural process by which the atmosphere traps some of the Sun’s energy, warming the Earth enough to support life.

Question 4

List 4 climate changes that Global warming will cause

Answer 4

• droughts
• tornados
• bush fires
• monsoons

Question 5

Name 3 greenhouse gases

Answer 5

• methane (CH4)
• nitrous oxide (N2O)
• carbon dioxide (CO2)