1. 10-1 Fossils What is a fossil? Fossils are the preserved remains or traces of living things How do fossils form? Fossils form when organisms die and are buried in sediment. The sediment hardens into rock and preserves the shape of organisms

2. What is a Fossil? A Fossil is the the preserved remains or traces of living things.

3. How do fossils form?

4. How Fossils form.

5. Types of Fossils: Mold

6. Example of a Mold

7. Mold A hollow area in sediment in the shape of an organism or part of an organism

8. Cast

10. Cast: a solid copy of the shape of an organism. This type of fossil is the opposite of a mold.

11. What do cast and mold fossils have in common? They both preserve details of the organism’s structure.

12. Petrified Fossils

14. Fossils in which minerals have replaced all or part of an organism. Example: petrified wood

15. Carbon Film Carbon films are an extremely thin coating of carbon on rock

16. Carbon Film

17. Trace Fossils Provide evidence of the activities of ancient organisms. Example: a fossilized dinosaur footprint

18. Trace Fossils

19. Preserved Remains Remains that are preserved with little or no change. Examples: Animals who died in tar pits, remains of organisms preserved in ice, or amber.

20. Preserved Remains

21. Name the type of fossil!! #1

22. #2

23. #3

24. #4

25. #5

26. #6

27. #7