Rocks and Minerals

What tool do you use to test a mineral's hardness? Options: water, clay tiles, nail, penlight

What is the softest mineral?

What is the hardest mineral? Options: graphite, fluorite, diamond, gypsum

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

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

This type of rock is formed when melted rock cools.

The hardness of a mineral is measured by a scale known as...

How do sedimentary rocks form?

What type of rock is formed from melted materials that cool and then harden? Options: Sedimentary rocks, Metamorphic rocks, Igneous Rocks

What type of rock is pictured? Options: Igneous, Metamorphic, Sedimentary