Rocks

Igneous rock

• rock that forms when molten rock solidifies

• the change of a rock into a new type of rock

• rock that is formed by sediments

Sedimentary rock:

• rock that forms when molten rock solidifies

• the change of a rock into a new type of rock

• rock that is formed by sediments

Metamorphic rocks:

• rock that forms when molten rock solidifies

• the change of a rock into a new type of rock

• rock that is formed by sediments

individual substances that make up rocks:

• elements

• minerals

• sand

Extrusive:

• fine-grained rock formed when magma cools and hardens at the earth's surface

• coarse-grained rock formed when magma cools and hardens while still underground

• fine-grained rock formed when magma comes in contact with the sea

Intrusive:

• fine-grained rock formed when magma cools and hardens at the earth's surface

• coarse-grained rock formed when magma cools and hardens while still underground

• fine-grained rock formed when magma comes in contact with the sea

Mark the intrusive rocks:

• granite

• pumice

• basalt

• obsidian

Mark the extrusive rocks:

• granite

• pumice

• basalt

• obsidian

Contains quartz, feldspar, and mica:

• granite

• pumice

• basalt

• obsidian

A rough, crumbly rock sometimes used to make glass:

• shale

• sandstone

• halite