Igneous Rocks

What is lava?

• melted rock under the earth

• melted rock on the surface

• an igneous rock

What is magma?

• melted rock under the ground

• melted rock on the surface

• an igneous rock

Tags

NGSS.MS-ESS2-1

Which describes an intrusive igneous rock?

• cools inside the earth

• cools outside the earth

• cools quickly

Which describes an extrusive igneous rock?

• cools inside the earth

• cools outside the earth

• cools slowly

Which describes an intrusive igneous rock?

• cools slowly

• cools quickly

• has small or no crystals

Which describes an extrusive igneous rock?

• cools quickly

• cools slowly

• has large crystals

Which type of igneous rock has small or no crystals?

• extrusive

• intrusive

• magma

Which type of igneous rock has large crystals?

• instrusive

• extrusive

• lava

Why do igneous rocks have different colors?

• the minerals in the rocks

• whether it is intrusive or extrusive

• how fast the magma cooled

Because igneous rocks have interlocking grains, they are often used for...

• building materials

• food

• electronics