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Changes in state ... endothermic exothermic.

Published byChristel Verhoeven Modified over 6 years ago

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Presentation on theme: "Changes in state ... endothermic exothermic."— Presentation transcript:

1 Changes in state ... endothermic exothermic

2 Changes in state ... endothermic exothermic

3

4 Let’s now go back in time ...

5 How does d18O change over the past 80,000 years?

6 How does d18O change over the past 80,000 years?
What do the squiggles mean?

7 warmer cooler

8 When did we start to develop farming?
warmer cooler

9 When did we start to develop farming?
First farming communities ... warmer cooler

10 First farming communities ...
Let’s zoom in ... First farming communities ... warmer cooler

11 Who here has heard about Vikings?

12 Who here has heard about Vikings?

13 Who here has heard about Vikings?

14 Who here has heard about Vikings?

15 Let’s zoom in ... warmer cooler

16 When would you visit? When would you go?
warmer cooler

17 How does d18O change in the past? (Vikings)
Ahh: Vikings arrive in Greenland warmer cooler Brrr: Vikings leave Greenland

18 What are some things that might happen if the world became warmer or cooler?
Let’s zoom in ... warmer cooler

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