What are

fossils?

Fossils

Remains of living things that died long ago.

Types of fossils

CastsMolds ImprintsTeeth or bones Amber

Foot print

Imprint

How are fossils

formed?

The animals dies.

1It is buried

quickly under layers of

sedimentary sand.

2

The skin (soft parts)

DECOMPOSE.

3The

sedimentary layers and the

bones turn into rock.

4Wind and rain wash away the

layers and people can see

the fossils.

5