The greenhouse effect

This PowerPoint presentation has been downloaded from www.onestopclil.com. Presentation written by John Clegg.

© Copyright Macmillan Publishers Ltd 2008. Animation licensed from The Science Museum.

Before you watch1. Answer these questions:

a) What do fossil fuels contain?

b) What happens when we burn fossil fuels?

c) What does a greenhouse gas do?

d) What happens when more and more greenhouse gases go into the atmosphere?

e) What happens when the Earth gets warmer?

Before you watch2. Do exercise 1 on the worksheet: ask and

answer questions with your partner.

3. Discuss the answers to the questions in exercise 1 with your partner/group. Did you guess the answers correctly?

Watch4. Watch the animation and do exercise 2 on the

worksheet: complete the gaps.

After you watch5. Do exercise 3 on the worksheet: talk about the

pictures using the prompts.

Presentation(for classes working in groups only)

6.Give an oral commentary on the animation.