Rocks and minerals

What type of rock is formed when magma and lava cools and hardens?

• minerals
• sedimentary
• igneous
• metamorphic

Which of the following is a type of rock?

• igneous
• metamorphic
• sedimentary
• All of the above

In order for a metamorphic rock to form, _______ is needed.

• Pressure
• Heat 
• Heat and Pressure
• Weathering

The way a mineral reflects light.

• fossil

• gem

• cleavage

• luster

Sedimentary rocks may have these remains of an organism inside of it.

• cleavage

• gem

• luster

• fossil

What is the softest mineral?

• feldspar

• muscovite

• talc

• diamond

What is the hardest mineral?

• graphite

• fluorite

• diamond

• gypsum

This type of rocks is made up of layers that are cemented together.

• Igneous

• Metamorphic

• Sedimentary

This type of rock can be changed by heat, pressure, and water.

• Igneous

• Metamorphic

• Sedimentary

This type of rock is formed when melted rock cools.

• Igneous

• Metamorphic

• Sedimentary