fossils for grade 3

2. 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?

3. HOW IS A FOSSIL FORMED?
1- An animals dies

4. HOW IS A FOSSIL FORMED?
2- Soft parts decay. (skin and flesh)

5. HOW IS A FOSSIL FORMED?
3- Bones are buried under layers of sediment.

6. HOW IS A FOSSIL FORMED?
4- Bones + sand + Minerals turns into Rock.

7. HOW IS A FOSSIL FORMED?
5- Rocks shaped like bones are the Fossils.

8. FIVE MAIN TYPES OF FOSSILS
Bone
Fossils
Imprint
Fossils
Leaf
Fossils
Footprint
Fossils
Shell
Fossils

9. FIVE MAIN TYPES OF FOSSILS
Bone
Fossils
• Solid rocks shaped like an
animal’s bone (skeleton).

10. FIVE MAIN TYPES OF FOSSILS
• Solid rocks shaped like a
Shell (of a shellfish or a snail).
Shell
Fossils

11. 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.

12. 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

13. 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.