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Fossils

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Fossils
Fossils
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Fossils

  1. 1. What is a fossil? • Fossils tell us about organisms that lived long ago. • They also tell us about how Earth’s surface has changed over time. • Fossils help scientists understand what past environments may have been like. • A fossil is remains of a living organism that lived many years ago. What do fossils tell us?
  2. 2. HOW IS A FOSSIL FORMED? 1- An animals dies
  3. 3. HOW IS A FOSSIL FORMED? 2- Soft parts decay. (skin and flesh)
  4. 4. HOW IS A FOSSIL FORMED? 3- Bones are buried under layers of sediment.
  5. 5. HOW IS A FOSSIL FORMED? 4- Bones + sand + Minerals turns into Rock.
  6. 6. HOW IS A FOSSIL FORMED? 5- Rocks shaped like bones are the Fossils.
  7. 7. FIVE MAIN TYPES OF FOSSILS Bone Fossils Imprint Fossils Leaf Fossils Footprint Fossils Shell Fossils
  8. 8. FIVE MAIN TYPES OF FOSSILS Bone Fossils • Solid rocks shaped like an animal’s bone (skeleton).
  9. 9. FIVE MAIN TYPES OF FOSSILS • Solid rocks shaped like a Shell (of a shellfish or a snail). Shell Fossils
  10. 10. FIVE MAIN TYPES OF FOSSILS Footprint Fossils • When an animal steps in the mud then the mud turns to solid rock with the shape of the animals foot.
  11. 11. FIVE MAIN TYPES OF FOSSILS • When an animal or a plant leaves a mark in the mud then the mud turns to solid rock with the shape of the animal or the plant.Imprint Fossils
  12. 12. FIVE MAIN TYPES OF FOSSILS Leaf Fossils • When a plant dies then it is buried fast the plant leaves turns to solid fossils with the shape of the plant leaf.

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