rocks and mineral test

Front

What do geologists call a mineral that light cannot pass through?

Back

Opaque

Front

What happens when igneous or sedimentary rocks are pushed deep underground and collide?

Back

Tectonic plates

Front

Are all gems considered minerals?

Back

No, not all gems are minerals.

Front

What is the purpose of the Mohs scale of hardness?

Back

To classify the hardness level of minerals.

Front

What is a mineral?

Back

A special kind of matter with its own chemical makeup and crystal shape.

Front

What is the term for rocks formed from cooled magma or lava?

Back

Igneous rocks.

Front

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

Back

Sedimentary rocks.

Front

What is the process called when rocks change due to heat and pressure?

Back

Metamorphism.

Front

What is the main difference between rocks and minerals?

Back

Rocks are made up of one or more minerals.

Front

What is a crystal?

Back

A solid material whose atoms are arranged in a highly ordered structure.