Soil, Rocks, and Landforms Pretest!

What happens to rocks when they weather?

• They get bigger.

• They stay the same.

• They settle out of the water that was carrying it.

• They break into small pieces.

How are physical and chemical weathering similar?

• They both change rocks into new material.

• They both dissolve rocks.

• They both break rocks into smaller pieces.

• They both require exposure to air.

How are physical and chemical weathering different?

• Chemical weathering causes change, physical weathering makes the rock smaller.

• Physical weathering creates smaller pieces of rock, chemical weathering doesn't.

• You need water for physical weathering but not chemical weathering.

• Chemical weathering is faster than physical weathering.

Humus is __________.

• The water in soil that makes it moist.

• The dead plant and animal material in soil.

• The name for the smallest pieces of earth materials in soil.

• The layers of different-sized earth materials that form soil.

Canyons are formed by __________.

• Erosion

• Deposition

Deltas are formed by __________.

• Erosion

• Deposition

_________ causes pieces of rock to be blown away by the wind.

• Weathering

• Erosion

• Deposition

__________ causes rock to break into smaller bits.

• Weathering

• Erosion

• Deposition

Water carries pieces of rock away from a canyon during ___________.

• Weathering

• Erosion

• Deposition

___________ occurs when pieces of rock are carried by water and settle in a new location.

• Weathering

• Erosion

• Deposition