Weathering, Erosion, and Minerals

Front

What is luster in relation to rocks?

Back

Luster is the way light reflects off the surface of a mineral or rock, indicating its shininess.

Front

What does cleavage mean in geology?

Back

Cleavage refers to the way a mineral breaks along specific planes, resulting in smooth surfaces.

Front

What is erosion?

Back

Erosion is the process by which weathered rock and soil are carried away by wind, water, or ice.

Front

What is streak in mineralogy?

Back

Streak is the color of the powder left when a mineral is rubbed on a white tile.

Front

True or False: A mineral is a solid, nonliving material with a definite chemical makeup.

Back

True

Front

What is weathering?

Back

Weathering is the process of breaking down rocks into smaller pieces through physical or chemical means.

Front

What is the difference between weathering and erosion?

Back

Weathering breaks down rocks in place, while erosion involves the movement of those broken pieces.

Front

What is hardness in relation to minerals?

Back

Hardness is a measure of how resistant a mineral is to being scratched.

Front

What is the definition of a mineral?

Back

A mineral is a naturally occurring, inorganic solid with a definite chemical composition and crystalline structure.

Front

What is density in geology?

Back

Density is the mass of a mineral divided by its volume, indicating how heavy it is for its size.