Rocks and Minerals

Front

What is a rock?

Back

A rock is a solid material made up of one or more minerals.

Front

What is a mineral?

Back

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

Front

True or false? A rock always stays the same.

Back

False. Rocks can change over time due to weathering, erosion, and other processes.

Front

What are the three main types of rocks?

Back

Igneous, sedimentary, and metamorphic.

Front

What does 'luster' mean in relation to rocks?

Back

Luster refers to how light reflects off the surface of a rock or mineral.

Front

What is the Mohs hardness scale?

Back

A scale used to measure the hardness of minerals, ranging from 1 (softest) to 10 (hardest).

Front

What are some properties of rocks?

Back

Color, size, texture, hardness, and luster.

Front

What is an igneous rock?

Back

A type of rock formed from cooled and solidified magma or lava.

Front

What is a sedimentary rock?

Back

A type of rock formed from the accumulation and compaction of mineral and organic particles.

Front

What is a metamorphic rock?

Back

A type of rock that has been changed from its original form due to heat, pressure, or chemical processes.