Igneous Rocks

Front

What type of rock is formed from the solidification of magma or lava?

Back

Igneous rock.

Front

What is the texture of obsidian, an igneous rock?

Back

Fine-grained.

Front

How does rhyolite, a fine-grained igneous rock, form?

Back

It forms from rapidly cooling lava.

Front

What type of cooling leads to coarse-grained igneous rocks with large crystals?

Back

Slow cooling magma.

Front

What is the difference between coarse-grained and fine-grained igneous rocks?

Back

Coarse-grained rocks have larger crystals, while fine-grained rocks have smaller crystals.

Front

What is an example of an extrusive igneous rock?

Back

Basalt.

Front

What is an example of an intrusive igneous rock?

Back

Granite.

Front

What is the process of magma cooling and solidifying called?

Back

Crystallization.

Front

What are the two main types of igneous rocks?

Back

Extrusive and intrusive.

Front

What is the main component of igneous rocks?

Back

Silicate minerals.