Earth's+Crust+4

=Earth's History (Mr. Terry Science 7)=

Vocabulary (5)
Absolute Dating s, there was little fooi Radiocarbon Dating

Half Life

Eras

Index Fossil

Questions
1. What is it called when an organism leaves a film of carbon residue on rocks? Carbonaceous film

2. Where would you find the oldest layers of rock? On the bottom

3. When was there little fossil evidence? The first 4 billion year.

4. What was formed when Rodinia split apart ? When Rodinia split apart, 750 million years ago, the ocean basins were formed.

5. What kind of fossil shows the age of a rock? (a) euomphalus (b) index (c) leperdita

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=Question (6)=

Compare your timeline to the current geological timeline?

=Topic (1)=