Front

What is the thin solid outermost layer of Earth made of less silicates, either ocean or land?

Back

Crust

Front

What is the color of a mineral in powdered form called?

Back

Streak

Front

What term describes the way the surface of a mineral reflects light, either metallic or non-metallic?

Back

Luster

Front

What is the measure of scratch resistance of various minerals called?

Back

Hardness

Front

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

Back

Igneous Rock

Front

What is the process called when rocks are broken down into smaller pieces?

Back

Weathering

Front

What is the term for the natural process of rock formation and transformation?

Back

Rock Cycle

Front

What is the term for the way a mineral breaks along flat surfaces?

Back

Cleavage

Front

What is the term for the way a mineral breaks in an irregular manner?

Back

Fracture

Front

What scale is used to measure the hardness of minerals?

Back

Moh's Hardness Scale