What are the properties of minerals and

rocks?

Types of rocks

1) Sedimentary

rocks

2) Igneous rocks

3) Metamorphic

rocks

Igneous rocks1

- Formed when rocks melt and then cool.

1) Rocks are pushed under the earth crust where heat and pressure turns them to magma.

2) Magma comes out of a volcano and cools to form Igneous rocks.

IfIgneous rocks cool down

quicklyOutside the volcano

(Extrusive igneous rocks)

Look like glassExample:

Basalt

Igneous rocks cools down slowly

Inside the volcano(Intrusive igneous rocks)

Has large grainsExample:Granite