Chapter 7 Section 1

Question 1

The material moved by erosion

Answer 1

sediment

Question 2

This occurs where the agents of erosion, deposit, or lay down, sediment.

Answer 2

deposition

Question 3

The process by which natural forces move weathered rock and soil from one place to another.

Answer 3

erosion

Question 4

The force that moves rock and other materials downhill.

Answer 4

gravity

Question 5

Any one of several processes that move sediment down. This is caused by gravity.

Answer 5

mass movement

Question 6

What are the four types of mass movement?

Answer 6

landslides, mudflows, slump and creep

Question 7

The most destructive kind of mass movement which occurs when rock and soil slide quickly down a steep slope.

Answer 7

landslide

Question 8

The rapid downhill movement of a mixture of water, rock, and soil.

Answer 8

mudflow

Question 9

In this type of mass movement, a mass of rock and soil suddenly slips down a slope. The material moves down in one large mass.

Answer 9

slump

Question 10

The very slow downhill movement of rock and soil. It can even occur on gentle slopes.

Answer 10

Creep

Question 11

What are five agents of erosion?

Answer 11

gravity, running water, glaciers, waves, and wind

Question 12

What force causes all types of mass movement?

Answer 12

gravity

Question 13

A fence runs across a steep hillside. The fence is tilted downhill and forms a curve rather than a straight line. What type of mass movement probably caused this?

Answer 13

Creep

Question 14

This type of mass movement often occurs from freezing and thawing of water in cracked layers of rock beneath the soil.

Answer 14

Creep