Soil, Weathering, and Erosion

Which type of soil has the smallest particles?

• clay

• loam

• sand

• silt

Which type of soil has the largest particles?

• clay

• loam

• sand

• silt

Which type of soil is dark and moist because of the humus in it?

• silt

• clay

• loam

• sand

Which soil feels the roughest?

• sand

• silt

• loam

• clay

_____________ is the movement of sediments by wind, water or gravity.

• Weathering

• Erosion

• Deposition

• Capacity

When a soil's particles are large it is not able to _____________ water well.

• retain

• erosion

• deposit

• weather

Large rocks are slowly broken down by wind, water, ice, or plant roots into smaller pieces to form soil.  This process is called _________________,

• deposition

• erosion

• retain

• weathering

Because of the flowing water, rocks in rivers and streams rub against each other making the rocks _____________

• rough and jagged

• smooth and small

• sharp and large

• hard and warm

Sediments will drop out of the flowing water and land somewhere else.

This is called ________________.

• deposition

• weathering

• erosion

• capacity

When water freezes inside cracks in rocks, it ____________ and causes the rock to break apart

• shrinks, gets smaller

• gets hot

• expands, gets larger

• contracts, gets smaller