Types of Rocks

The word igneous comes from the Latin root Ignis, which means ______.

• fire

• water

• earth

• air

Molten rock below Earth’s surface is called ______.

• magma

• lava

• igneous rock

• sediment

When molten rock is above Earth’s surface it is called ______.

• lava

• magma

• igneous rock

• sediment

When melted rock cools below the Earth’s surface, it is called ______ igneous rock.

• intrusive

• extrusive

• sedimentary

• metamorphic

______ is an example of an intrusive igneous rock.

• granite

• basalt

• pumice

• obsidian

This type of rock contains ______ from slow cooling.

• crystals

• fossils

• sediments

• lava

A type of igneous rock that cools so quickly that it does not contain crystals is ______.

• obsidian

• granite

• basalt

• pumice

Tags

NGSS.MS-PS1-4

A type of igneous rock that contains holes from gas bubbles escaping is called ______.

• pumice

• granite

• basalt

• obsidian

These types of rocks are classified as ______ igneous rock because they form when melted rock cools above the Earth’s surface.

• extrusive

• intrusive

• sedimentary

• metamorphic

Small pieces of rock that form new rocks are called ______.

• sediments

• minerals

• crystals

• pebbles