Earth's Changing Surface

Opening in Earth's crust through which melted rock reaches the surface

• magma
• plate
• volcano

One of the seven large land masses on Earth

• continent
• Pangaea
• volcano

Huge land mass that existed about 200 million years ago

• continent
• volcano
• Pangaea

Hot, flowing rock below Earth's surface

• lava
• magma
• fossil

The main layers of Earth, from the center outward, are

• magma, core, crust
• crust, oceans, continents
• core, mantle, crust
• mantle, crust, plate

Which force changes Earth's surface most slowly?

• earthquake
• erosion
• volcano
• landslide

This picture shows an example of 

• wind erosion
• temperature erosion
• water erosion
• glacial erosion

This picture shows an example of 

• chemical erosion
• water erosion
• glacial erosion
• wind erosion

This picture shows an example of 

• chemical erosion
• temperature erosion
• wind erosion
• water erosion

This picture shows an example of 

• chemical erosion
• glacial erosion
• water erosion
• wind erosion