Igneous Rocks

A geologist is someone who studies ________.

• plants

• rocks

• fire

What does igneous mean?

• hot

• volcano

• fire

• rock

A type of igneous rock formed from magma inside the earth's crust.

When intrusive igneous rocks are formed, the magma cools ________

• slowly

• quickly

When intrusive igneous rocks are formed, they have ______ crystals.

• small

• large

An example of an intrusive igneous rock

What is the process called when magma turns into a solid?

• magmafication

• solidification

• melting

• freezing

A type of igneous rock formed from lava outside the earth's crust.

When extrusive igneous rocks are formed, the lava cools _________

• quickly

• slowly

When extrusive igneous rocks are formed, they have ______ crystals.

• small

• large