Rocks and minerals

Earth's crust is made up

• Different rocks

• Iron

• None

1 Minerals are found in rocks.

2 Iron and coal are examples of minerals.

• 1 and 2 both true

• 1 and 2 both of false

• 1 is wrong 2 is true

statement : Rocks and minerals made the earth crust.

• Yes in earth's crust found solid rocks and minerals.

• All the rocks and minerals are natural.

When magma comes on earth surface is called _____.

When magma cools down inside the earth surface it is type of rock

• Igneous rock

• Intrusive igneous rock

• Extrusive igneous rock

• Crust

Why igneous rock know as primary rock ?

Observe image, what is the property of this rock.

• Coarsed

• Different colours

• Smooth

• Dark in colour

What is the meaning of word igneous ??

You have seen a video in class- so what is the source of formation of rocks?

• Volcano eruption

• Earthquake

• None

When extrusive igneous rock forms it cools slowly.

• True

• False

• Cools quickly