science unit 4 part 1

Question 1

What is it called when natural forces move weathered rock and soil from one location to another?

Answer 1

Erosion

Question 2

Landslides, mudflows, slumps, and creeps are all examples of

Answer 2

Erosion

Question 3

Mass movements are caused by

Answer 3

Gravity

Question 4

Deltas are built up by (weathering or erosion or deposition)?

Answer 4

Erosion

Question 5

The process by which wind removes surface materials is called

Answer 5

Erosion

Question 6

Particles of clay and silt eroded and deposited by the wind are called

Answer 6

loess

Question 7

What is the process called when rock fragments freeze to the bottom of a glacier and then are carried away when the glacier moves?

Answer 7

Plucking

Question 8

A(n) _________ is evidence that an area was once covered by a glacier.

Answer 8

glacial-drift

Question 9

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is called ___________.

Answer 9

Abrasive agents

Question 10

Ice wedging causes mechanical weathering of rock by means of ___________.

Answer 10

freezing water

Question 11

__________ weathering causes the mineral composition of rocks to change.

Answer 11

Chemical weathering

Question 12

The most important factors in determining the rate of weathering are __________.

Answer 12

type of rock/climate

Question 13

What agent of erosion leads to the formation of sand dunes?

Answer 13

Wind

Question 14

How can water be an agent for physical (mechanical) weathering?

Answer 14

water can seep into cracks

Question 15

How could the removal of trees and other vegetation impact the environment?

Answer 15

increasing erosion.

Question 16

Large quantities of sand can be added to the beach to stabilize the shoreline. What is the disadvantage of this process? 


Answer 16

It causes inland erosion.

Question 17

What would be the best evidence that an area of land was once covered by a glacier?

Answer 17

glacial drift