Rocks and the Rock Cycle

Which type of rock results from melting and cooling of magma?

• Igneous
• Metamorphic
• Sedimentary
• Extrusive

Which type of rock forms from extreme heat and pressure?

• Igneous
• Sedimentary
• Organic
• Metamorphic

A metamorphic rock changes into an igneous rock by what two processes?

• Melting and cooling
• Extreme heat and pressure
• Compaction and cementation
• Weathering and erosion

Wind, water, and ice breaking down rock is called

• Erosion
• Deposition
• Compaction
• Weathering

True/False: Igneous rocks can only turn into metamorphic rocks.

• True
• False

When sediments are pressed together tightly, this is called ____________.

• Compaction
• Cementation
• Weathering
• Erosion

This rock was found near the mouth of a volcano. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

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

• Sedimentary
• Igneous
• Metamorphic

This rock started as lava that cooled and then was heated and put under pressure over time. What type of rock is this?

• Sedimentar
• Igneous
• Metamorphic

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