Landforms

How are sand dunes formed?

• Weathering caused by water
• Sand depositing in a new location 
• From caves down to valleys
• By ice forming at the peaks

This wetland area is either fresh or saltwater with a variety of plant and animal species.

• Lake

• River

• Swamp

• Prairie

This body of saltwater covers more than 70% of the Earth's surface.

• Lake
• Gulf
• River
• Ocean

A flat, treeless plain covered with tall grass.

• Prairie
• Canyon
• Desert
• Swamp

A deep valley with steep walls that cut into the earth caused by erosion from running water.

• Valley
• Canyon
• Gulf
• River

A dry area of land that receives less than 10 inches of precipitation (rainfall) per year.

• Mountain
• Canyon
• Desert
• Prairie

*Bonus: Mountains are created when....

• Two continental plates collide

• Two oceanic plates pull apart

• An Oceanic plate subducts under a Continental Plate

• Two continental plates pull apart

A rock breaking apart by cracking due to wind, water, or ice is an example of

• weathering

• erosion

• deposition

Sediments piling up at the bottom of a hill or depositing at the end of a river are examples of

• weathering

• erosion

• deposition

This arch was created by pieces of rock being washed away by the waves.  This is an example of 

• weathering
• erosion
• deposition