Rocks and Minerals

Front

What is a mineral?

Back

A mineral is a solid, nonliving material with a definite chemical makeup.

Front

What is the streak test?

Back

The streak test is a method used to determine the color of a mineral's powder by scratching it on a ceramic plate.

Front

What does hardness mean in minerals?

Back

Hardness is a measure of how easily a mineral can be scratched.

Front

What is the Mohs Scale?

Back

The Mohs Scale is a scale used to rank the hardness of minerals from 1 (softest) to 10 (hardest).

Front

What is the property of a mineral that describes how it breaks along flat surfaces?

Back

Cleavage.

Front

What is the difference between a rock and a mineral?

Back

A rock is made up of one or more minerals, while a mineral is a single substance with a specific chemical composition.

Front

What is the color of a mineral?

Back

The color of a mineral is the appearance of its surface, which can vary based on impurities.

Front

What is luster in minerals?

Back

Luster describes how a mineral reflects light, such as shiny or dull.

Front

What is the definition of igneous rock?

Back

Igneous rock is formed from the cooling and solidification of molten rock (magma or lava).

Front

What is sedimentary rock?

Back

Sedimentary rock is formed from the accumulation and compaction of mineral and organic particles.