Weathering, Erosion and Deposition

What do you call the process when the wind loosens small bits of dirt and dust, or when rain wears down a mountain?

• Erosion

• Weathering

What do you call the broken pieces of the Earth's surface that the wind and water move and carry away?

• sediments

• minerals

• rocks

• soil

What do you call the process where wind and water move sediments?

• flooding

• erosion

• weathering

Which of the following is false?

• Canyons can grow wider.

• It is possible for valleys of the Earth to grow deeper.

• Mountains eventually break down.

• The shape and look of the Earth's surface have always been the same.

True or False?

Weathering and erosion can happen at the same time.

• True

• False

True or False?

Running water that carries sediments can carve hills and cut into mountains. This is how canyons are made.

• True

• False

True or False?

Aside from water wearing out rocks and wind loosening rocks, weathering can be caused by ice.

• True

• False

Choose all of the causes of weathering and erosion.

• Plants and Animals

• Water and Wind

• Ice

• Compaction

How can people help to prevent erosion? Choose all that apply.

• Planting trees.

• Cutting down forests.

• Building structures to hold soil and rocks in place.

• By hiking forest trails.

How are landforms like canyons formed?

• Weathering

• Erosion

• Weathering and Erosion