W-E-D test review

Front

What are sand dunes?

Back

Sand dunes are hills of sand formed by the wind, which moves and deposits sand in certain areas.

Front

What causes sand dunes to form?

Back

Sand dunes are created when strong winds move and deposit sand.

Front

What is deposition?

Back

Deposition is the process where bits of broken rock and soil are dropped in new places.

Front

What is erosion?

Back

Erosion is the process that picks up and moves weathered rocks and soil.

Front

How does erosion change the Earth's surface?

Back

Erosion can remove soil and rock from one location and deposit it in another, changing the landscape.

Front

What is an example of erosion?

Back

Rain washing away soil from a hillside is an example of erosion.

Front

What is the difference between weathering and erosion?

Back

Weathering is the breaking down of rocks, while erosion is the movement of those broken rocks.

Front

How can students model the formation of dunes?

Back

Students can use straws to blow piles of sand to model the formation and movement of dunes.

Front

What role do strong winds play in the formation of sand dunes?

Back

Strong winds are essential for moving sand and creating dunes.

Front

What happens to soil during deposition?

Back

During deposition, soil is dropped in new places, which can create new landforms.