4.7.3.5 Global Warming

Question 1

What does the term global warming refer to?

Answer 1

• the fact that temperature around the world is increasing

Question 2

Why is the temperature around the world increasing?

Answer 2

• humans are producing more greenhouse gases
• results in more heat being absorbed and reflected back to Earth, heating it up

Question 3

What are examples of greenhouse gases?

Answer 3

• carbon dioxide
• methane

Question 4

What are the consequences of the temperature increase?

Answer 4

• melting of ice caps
• rising sea levels
• temperature and rainfall levels
• organisms will become extinct as their habitats are lost, reducing biodiversity

Question 5

What does the melting of ice caps reduce?

Answer 5

• habitats

Question 6

What does rising sea levels reduce?

Answer 6

• habitats as low lying areas will be flooded with salty water

Question 7

What do temperature and rainfall levels affect?

Answer 7

• migration
• therefore distribution of different species as they may no longer be able to survive where they live