My rock report

The volcano  has erupted

There are 2500 minerals in the world.Rocks are made from minerals.Sometimes rocks have gold in them.Igneous rocks are made when lava cools and hardens.Sedimentary  rocks are made sediment and sometimes fossils get stuck to it.Metamorphic rocks are made from heat and pressure inside the earth.Rocks smash to make mountains.Rocks have been on earth for a million years.Rock have been when the dinosaurs were.There are different tips of rocks in different parts on the world.Sometimes some rocks have 1 or 2 mineral in them. There's about 4500 billion rocks in the world.Coal sometimes have leave prints on them.Coal is really hard.Some rocks get created from other rocks.Rocks are different colours.Sandstone is made from sand.After many years mountains go down.Did you know diamond can cut diamond.

Shuaib