Rocks, Minerals, and Soil

What is a naturally formed solid made up of one or more minerals?

• Rock

• Water

• Gas

• Liquid

The Mohs scale is a tool scientists use to tell the hardness of a ____________________________

• Mineral

• Animal

• Plant

• Liquid

Muddy water being carried away by a fast-moving river is an example of ____________________________

• Erosion

• Deposition

• Sedimentation

• Evaporation

The measure of how difficult it is for a mineral to be scratched is called ____________________________

• Hardness

• Density

• Luster

• Cleavage

What is the process that breaks down rocks into smaller pieces?

• Weathering

• Erosion

• Sedimentation

• Compaction

Which is not a property of a mineral?

• Color

• Hardness

• Streak

• Temperature

Which is true about ALL minerals?

• A. They are all hard.

• B. They were never alive.

• C. They are made of rocks.

• D. They were once animals.

How does erosion change the soil?

• Erosion breaks soil into smaller pieces.

• Erosion carries soil from one place to another.

• Erosion causes cracks that break rocks into smaller pieces.

• Erosion helps clean the soil.

You find soil from Georgia that is red in color. You notice the soil feels smooth when you rub it between your fingers. You cannot feel any grains of rock in the soil. This means the soil has a lot of _____?

• Sand

• Silt

• Clay
• Erosion

Is it true or false that color is one of the easiest ways for a scientist to tell minerals apart?

• True

• False