Understanding Rocks and Minerals

Front

What is a rock?

Back

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

Front

What are the three main types of rocks?

Back

The three main types of rocks are igneous, sedimentary, and metamorphic.

Front

How is an igneous rock formed?

Back

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

Front

What is sediment?

Back

Sediment is small pieces of rock, minerals, or organic material that are carried by wind, water, or ice.

Front

What is the process of sedimentary rock formation?

Back

Sedimentary rock is formed by the compacting and cementing of sediments over time.

Front

What is a mineral?

Back

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

Front

What is the hardest mineral?

Back

Diamond is the hardest mineral.

Front

What is the softest mineral?

Back

Talc is the softest mineral.

Front

What is metamorphism?

Back

Metamorphism is the process by which rocks change form due to heat and pressure.

Front

What is the main characteristic of a rock?

Back

The main characteristic of a rock is how it is formed.