Igneous Rocks - Formation and Types

What are the 2 groups of igneous rocks?

(There is more than one correct answer)

• Pumice

• Intrusive

• Iron ore

• Extrusive

• Granite

How are igneous rocks formed?

• When magma comes up to the earth's surface, it cools down and hardens or solidifies

• When clay mixes with rock and cement, it hardens

• These are all wrong!

Which of the following are igneous rocks?

• Pumice, tuff, basalt, andesite

• Shale, limestone, sandstone, breccia

• Phyllite, quartzite, marble, schist

• It's none of them!

Write 2 examples of igneous rocks

True or False:

Pumice is a sedimentary rock, and has sharp edges

• False

• True

What is an igneous rock?

• A rock that is formed when lava cools

• A man - made rock

• A rock made from sediments of rocks

• It's none of them!

Which of the following are true?

• Lava is called magma when it reaches the Earth's surface

• Pumice is a sedimentary rock

• Igneous rocks are made from metals

• It's none of them!

Igneous rocks are made of crystals

• False

• True

How many years it takes magma to cool?

• 1 day

• 1 century

• Thousand years

• 1 weak

The word 'igneous' come from the Latin word '_____', meaning ____.

• Ignis, fire

• Nitrogen, fire

• Aqua, cloud

• It's none of them!