Earth's Rocks and the Rock Cycle

What is the Earth's solid exterior made of?

• Water

• Sand

• Rocks

• Lava

What is the first and lightest shell of the Earth?

• Mantle

• Core

• Atmosphere

• Crust

What type of rock makes up about 90 percent of the Earth's crust?

• Granite

• Metamorphic rock

• Sedimentary rock

• Igneous rock

What type of rock is formed when magma cools and solidifies beneath the Earth's surface?

• Sedimentary rock

• Metamorphic rock

• Intrusive Igneous

• Extrusive Igneous rock

What is the process called when existing rock goes through intense temperature and pressure changes and changes into a completely new rock type?

• Erosion

• Sedimentation

• Weathering

• Metamorphism

What type of rock is fossils?

• Granite

• Metamorphic rock

• Sedimentary rock

• Igneous rock

What is the main factor that affects the texture of a rock?

• Pressure

• Temperature

• Size

• Color

What is the main process that alters rocks over millions of years?

• Erosion

• Weathering

• Sedimentation

• Metamorphism

What is the main factor that causes the formation of sedimentary rocks?

• Weathering

• Erosion

• Temperature

• Pressure