If we slice the earth like a pie, it has several layers:

The first layer - The crust :

We can easily find different rocks if we go to ....

This rock is hard and has large grains

This rock is made up of layers of grain.

Contain fossils. Fossils are the remains of living things that died a very long time ago.

This rock is smooth when polished. Some types of ________ have a nice patterns and colours.

______________ learn more about living things that lived in the past from the fossils or remains that can be found in the rocks. The oldest found are dinosaurs !

Fossils remains of living things that died a very long time ago. For example, a ______________.