Rocks

Rocks are very cool. They are very hard just like a gem. And a crystals. Rocks have been around for billions of years. 

How are rocks made ? Rocks are made from sand. Sand is little pices of rock sand when volcanos erupt lava comes down. Little pices of rockfall out the volcano. 

Rocks are very strong. 

Igneous rocks are crystals. They fall into a volcano when the volcano erupts they turn into magma and then lava igneous rocks are very cool. 

Metamorphic rock is made from  sedementyry rock. Igneous rock is made from hot liquid. Sedementyry rock is made from little pices of rock and sometimes shell

All of these are important one they are very rear two they are very strong so they won't break and three they are very cool.

By Ty