Global Climate Change

Question 1

What is weather?

Answer 1

The day-to-day conditions of the atmosphere.

Question 2

What is climate?

Answer 2

The average temperature and cycles of weather over a long period of time.

Question 3

What is global warming?

Answer 3

The rise in average temperature of the Earth’s surface.

Question 4

What are 4 impacts of global warming?

Answer 4

Polar ice caps melting.
Rise in sea levels.
Habitat loss.
Changes in rainfall causing drought or floods.

Question 5

What are 2 reasons sea levels rise?
1.
2.

Answer 5

1. Polar ice caps melt into the ocean.
2. As seawater temperature rises, it expands.

Question 6

Carbon footprint is the total amount of __________________ (and other greenhouse gases) which are emitted over the full life cycle of a _______________________.

Answer 6

carbon dioxide
product, service or event

Question 7

Explain the greenhouse effect: (4 marks)

___________________________ passes through the ________________ to the ___________________

The Earth’s surface radiates _______________________ which are ___________________________________ to produce a ___________________________.

Answer 7

Short wavelength radiation
atmosphere
Earth’s surface

different wavelengths
absorbed by greenhouse gases
temperature increase

Question 8

Explain whether graphs provide evidence that an increase in carbon dioxide is causing the Earth’s temperature to rise. (2)

As concentration of carbon dioxide increases the temperature ______________.

But there is ___________________ that the _______________________ is caused by the ______________________________________.

Answer 8

increases

no evidence
increase in temperature
increase in concentration of carbon dioxide