Page 104 - Science Course 3 (Book 2)
P. 104
Mo11-L1b: Fossils: What is in the Ancient Environment?
Key Concept SUMMARY
What are Fossils? What are Fossils?
What conditions increase the chances of fossil
formation? The principle of uniformitarianism is the
basis for understanding Earth’s past.
Mo11–L1b Fossils: What is in the Ancient mold
Environment?
the impression of an organism in a rock.
KEY CONCEPTS:
1. What can fossils reveal about Earth’s past?
Vocabulary A-Z
Let us learn some vocabulary
carbon f lm cast
the fossilized carbon outline of an organism or a fossil copy of an organism made when a mold
part of an organism. of the organism is f lled with sediment or mineral
deposits.
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