Earth's Rocks and Geology Quiz

What is the Earth's solid exterior made of?

• Ice

• Lava

• Rocks

• Sand

What are the two types of crust on Earth?

• Igneous and Extrusive

• Sedimentary and Metamorphic

• Granite and Basalt

• Continental and Oceanic

What is the mantle rich in?

• Silicates

• Iron and Magnesium

• Silicon and Aluminum

• Iron and Nickel

What is the core of the Earth made of?

• Limestone

• Iron and Nickel

• Basalt

• Granite

What type of rock is granite?

• Metamorphic

• Extrusive

• Sedimentary

• Igneous

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

• Sedimentary

• Basalt

• Metamorphic

• Granite

What type of rock is formed when the remains of organisms sink to the ocean floor?

• Granite

• Basalt

• Sandstone

• Limestone

What process causes existing rock to change into a completely new rock type?

• Erosion

• Weathering

• Metamorphism

• Sedimentation

What is the texture of intrusive igneous rocks like granite?

• Fine-grained

• Coarse-grained

• Porous

• Smooth

What causes granular disintegration in rocks?

• Erosion

• Weathering

• Temperature differences

• Pressure differences