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Wednesday Nov 3 rd

Dive into the world of fossils to understand their types like original remains, carbon film, mold, and cast fossils. Learn how they provide essential information about past species through indexing layers of sedimentary rock using trace fossils.

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Wednesday Nov 3 rd

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  1. Wednesday Nov 3rd • Warm-up • What information do we learn from fossils? • How do you think animals or plants are preserved in to fossils?

  2. Types of Fossils

  3. Types of Fossils

  4. Original Remains Fossil • These are fossils that contain the original parts of the actual organism. • Bones • Entire body • Teeth

  5. Original Remains Examples

  6. Carbon Film Fossil • All living things are made of Carbon • A Carbon Film is the film of carbon left on a rock by a decaying organism and is preserved as a fossil.

  7. Carbon Film Examples

  8. Mold Fossil • Fossil that forms when an organism decays or dissolves and leaves a cavity in the rock.

  9. Mold Fossil Examples

  10. Cast Fossil • Fossil that forms when a mold fills with sediment and then hardens into rock.

  11. Cast Fossil Examples

  12. Trace Fossils • Preserved footprints, trails, burrows, or any marks that tell about how things lived.

  13. Trace Fossil Examples

  14. Carbon Film Fossils EX: Original Remains EX: Mold Fossils EX: Types of Fossils Trace Fossils EX: Cast Fossils EX:

  15. Use of Fossils: Indexing • Fossils can be used to date layers of sedimentary rock. • These are the remains of species that lived for a short time and were numerous, and found in many places.

  16. Using Index Fossils

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