Rocks and Minerals Vocabulary

Front

What type of rock is formed from molten lava that cooled quickly as it came out of a volcano?

Back

Igneous

Front

What is Luster?

Back

The way a mineral shines, or reflects light.

Front

What is Hardness in terms of minerals?

Back

A measure of how easily a mineral can be scratched.

Front

What type of rock is formed from heat and pressure?

Back

Metamorphic

Front

What is a characteristic of a mineral?

Back

It is naturally formed.

Front

What type of rock is formed from the accumulation of sediment?

Back

Sedimentary

Front

What is the definition of a mineral?

Back

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

Front

What is the Mohs scale used for?

Back

To measure the hardness of minerals.

Front

What is the difference between igneous and sedimentary rocks?

Back

Igneous rocks are formed from cooled magma or lava, while sedimentary rocks are formed from the accumulation of sediments.

Front

What is the process of metamorphism?

Back

The process by which rocks are changed by heat, pressure, or chemically.