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.
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