2. How is the Earth like a broken cookie?
Tectonic Plates
How is the Earth like a broken cookie?

4. Continents of the Past “Pangea” : exists ~ 225 million years ago
Super continent: the only continent on Earth
Division of Pangea ~ 135 million years ago
Into “Laurasia” (N. Hem)
Included modern North America & Eurasia
And “Gondwana” (S. Hem)
Included modern South America, Africa, Antarctica, Australia, Madagascar, India and New Zealand

5. 250 Million Years Ago

6. 200 Million Years ago

7. 135 Million years ago: The Jurassic Period

8. 65 Million years ago

9. Present day
Inner Core: solid iron (Fe) and Nickel (Ni).

10. In 50 Million years

11. In 150 Million years

12. In 250 million years