Geology Unit 5 Lesson 8 and 9 Vocabulary

Front

What is granite?

Back

Granite is a common igneous rock that forms from magma that cooled within Earth's crust.

Front

What does it mean to compact?

Back

To compact means to closely pack or press together.

Front

What is a mineral?

Back

A mineral is a solid, nonliving substance found in the earth that makes up rocks.

Front

What is texture in geology?

Back

Texture describes the size, shape, and sorting of the mineral grains in rocks.

Front

What is obsidian?

Back

Obsidian is a dark rock or natural glass formed from lava that cooled very quickly.

Front

What is an igneous rock?

Back

Igneous rocks are formed from the cooling and solidification of magma or lava.

Front

What is magma?

Back

Magma is molten rock located beneath the Earth's surface.

Front

What is lava?

Back

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

Front

What does solidify mean?

Back

To solidify means to become solid or to harden.

Front

What is the difference between magma and lava?

Back

Magma is found beneath the Earth's surface, while lava is magma that has reached the surface.