Rocks and How They Formed

Rock that forms when pressure, temperature, or chemical processes change existing rock.

• Igneous Rock
• Sedimentary Rock
• Metamorphic Rock
• Rock Cycle

The process by which metamorphic rocks are formed...

• heat and pressure
• compaction and cementation
• melting and cooling

The process by which igneous rocks are formed...

• heat and pressure
• melting and cooling
• compaction and cementation

A metamorphic rock can become ______.

• igneous
• metamorphic
• sedimentary
• all of these

The name rock is given when it is broken down into smaller pieces.

• texture
• weathering
• sediment
• erosion

_______ rock forms from magma/lava

• Metamorphic
• Sedimentary
• Igneous

This rock cooled on the outside of a volcano and contained air bubbles when it was forming. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

This rock was formed by lots of fossils that settled on top of each other over time. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

This rock started as molten magma. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

Tags

NGSS.MS-ESS2-1

This rock is made from tiny pieces of other rocks that settled to the bottom of a valley millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic