igneous rocks

Front

What determines the size of crystals in igneous rocks?

Back

The cooling rate of the magma or lava.

Front

How are igneous rocks classified?

Back

Igneous rocks are classified based on their composition and texture.

Front

What are rocks formed from magma or lava called?

Back

Igneous rocks.

Front

What does it mean if a rock is described as coarse-grained?

Back

It means that all the grains in the rock are large and easy to see.

Front

Is basalt used for cobblestones and landscaping?

Back

True.

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive igneous rocks form from magma that cools slowly beneath the Earth's surface, while extrusive igneous rocks form from lava that cools quickly on the surface.

Front

What is an example of an intrusive igneous rock?

Back

Granite.

Front

What is an example of an extrusive igneous rock?

Back

Basalt.

Front

What is the texture of igneous rocks that cool quickly?

Back

Fine-grained texture.

Front

What is the main component of igneous rocks?

Back

Minerals formed from the cooling and solidification of magma or lava.