Ch 7: Minerals and Rocks

Front

What is magma?

Back

Magma is molten rock that is found beneath the Earth's surface.

Front

What is lava?

Back

Lava is molten rock that has erupted onto the Earth's surface.

Tags

NGSS.MS-ESS2-1

Front

What is the difference between magma and lava?

Back

The main difference is location: magma is underground, while lava is above ground.

Front

What is a crystal?

Back

A crystal is a solid in which the atoms are arranged in closely repeating patterns.

Tags

NGSS.MS-PS1-1

Front

What tells you which elements are present in a mineral?

Back

The chemical formula of the mineral.

Tags

NGSS.MS-PS1-1

Front

How are igneous rocks classified?

Back

Igneous rocks are classified as intrusive or extrusive.

Front

What are sedimentary rocks?

Back

Sedimentary rocks are formed from the accumulation of sediment.

Front

How are sedimentary rocks classified?

Back

Sedimentary rocks are classified as Chemical, Clastic, and Biochemical.

Front

What is the Mohs' scale?

Back

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

Front

What is a mineral?

Back

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