Rocks!

A rock is a solid substance made of minerals.

• True

• False

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary

• Metamorphic, Igneous, Dragonglass

• Brown, Red, Grey

• Streak, Hardness, Breakage

Rocks that came out of volcanoes form the greater part of the Earth's crust. These rocks are:

• igneous rocks

• basalt

• metamorphic rocks

• granite

Chalk and limestone are made up of the remains of animals. They are:

• both very hard

• pebbles

• sedimentary rocks

• conglomerates

Which type of rock is formed from cooled lava of magma?

• Organic

• Igneous

• Sedimentary

• Metamorphic

All rocks contain at least one mineral.

• True
• False

Marble is often used for statues or grand building because ...

• it has attractive textures and colours

• it splits easily into thin sheets

• it wears away easily

Chalk is used to write on blackboards because ...

• it wears away easily

• it's permeable

• it doesn't float

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

Rocks that come from hot lava and magma that is cooled and hardened are called:

• Metamorphic

• Igneous

• Sedimentary

• Comets