Unit 8: Changes to Earth's Surface

The movement of weathered material on the Earth's surface by wind, water, and ice is

• erosion
• deposition
• landslides

A sudden release of energy under the Earth's surface that makes the ground shake or crack is

• weathering
• earthquake
• landform

The breakdown of rock into smaller particles from the effects of wind, water and ice is

• deposition
• delta
• weathering

The buildup of land by depositing sediment and soil in a new location is

• earthquake
• weather
• deposition

When a river flows over the Earth and carves out a hole in the surface it makes a 

• hill
• mountain
• canyon

Weathering is

• the moving of sediments.
• the process of breaking down rocks
• large sheets of ice that cover land
• how clouds are formed

Identify this landform:

• Dune
• Stream
• Volcano
• Island

Identify this landform

• Dune
• Volcano
• Island
• Canyon

Identify this landform:

• Volcano
• Canyon
• Stream
• Island

About how much of the Earth's surface is covered by oceans?

• less than 20%
• about 50%
• about 70%
• more than 90%