FLASHCARD on Rocks, Minerals & Earth's Layers

Front

What is the Mohs scale used for?

Back

The Mohs scale is used to measure the hardness of minerals.

Front

What mineral is commonly known as table salt?

Back

Halite is the mineral commonly known as table salt.

Front

True or False: Coal is a mineral.

Back

FALSE. Coal is not considered a mineral.

Front

What is California's state mineral?

Back

Gold is California's state mineral.

Front

If magma cools quickly, what type of texture does it have?

Back

If magma cools quickly, it has a fine-grained texture.

Front

What are the two main types of rocks?

Back

The two main types of rocks are igneous and sedimentary.

Front

What is an igneous rock?

Back

An igneous rock is formed from the cooling and solidification of magma or lava.

Front

What is sedimentary rock?

Back

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

Front

What is the difference between minerals and rocks?

Back

Minerals are naturally occurring inorganic substances with a definite chemical composition, while rocks are composed of one or more minerals.

Front

What is the process of metamorphism?

Back

Metamorphism is the process by which rocks change due to heat, pressure, or chemically active fluids.