Big Idea 6-Types of Rocks

Formed when melted rock, known as magma (lava),cools.

• Sedimentary

• Igneous

• Metamorphic

Forms deep in the earth when rock is put under extreme heat and pressure.

• Metamorphic

• Igneous

• Sedimentary

Forms on earth's surface when rock is weathered, layered, and cemented together naturally by water.

• Metamorphic

• Igneous

• Sedimentary

Tags

NGSS.MS-ESS2-2

Found near volcanoes.

• Igneous

• Metamorphic

• Sedimentary

Often very hard rock.

• Igneous

• Metamorphic

• Sedimentary

Can contain crystals when it cools underground (intrusive).

• Metamorphic

• Sedimentary

• Igneous

Can have flat layers.

• Metamorphic

• Igneous

• Sedimentary

Found near fault lines, or deep in the earth.

• Sedimentary

• Metamorphic

• Igneous

Tags

NGSS.MS-ESS2-1

Can contain crystals.

• Metamorphic

• Igneous

• Sedimentary

Can contain ribbon-like layers.

• Igneous

• Sedimentary

• Metamorphic

Tags

NGSS.MS-ESS2-3