fossils

2. From where we know that these
animals were exsting???????

3. From fossils
so…………
what are fossils

4. The traces , remains of something that
lived long ago.

5. Now lets think together how the
fossils are formed?????

7. 1-when the animal dies it is buried
fast

8. 2-The soft parts of the animal (ex.
skin) decompose

9. 3-over a long time the sand and
bones become rock.

10. 4-fossils are made