Unit #2: Rock Type ID and Rock Cycle

How are igneous rocks formed?

• Pressure

• Ice

• Magma

• Weathering & Erosion

This type of Igneous rock forms as magma cools within Earth's crust.

This type of igneous rock forms as magma cools above earth's surface

• Extrusive

• Intrusive

• Metamorphic

• Sedimentary

Rocks that often appear grainy with layers are often:

Tags

NGSS.MS-ESS2-3

Rocks that appear glossy with large or small crystals from cooling are:

Obsidian is a classic case of which rock type?

• Porous

• Igneous

• Metamorphic

• Sedimentary

Slate is a popular example of which rock type?

• Metamorphic

• Igneous

• Sedimentary

• Lava Rock

This rock type often exhibits banding due to intense pressure:

This rock type exhibits layering and weathering from particles "sticking" together.

Tags

NGSS.MS-ESS2-1

Breccia falls under the rock type:

• Metamorphic

• Sedimentary

• Igneous

Tags

NGSS.MS-ESS2-1