Question 1

What type of weathering has created the onion-like layers in the rocks in the picture?

Accepted Answer

A)   jointing
B)   hydration
C)   dissolution
D)   oxidation A

Question 2

What type of weathering has altered the pyrite crystals in the picture?

Accepted Answer

A)   jointing
B)   hydration
C)   dissolution
D)   oxidation D

Question 3

What type of weathering are you most likely to find occurring in areas with cold climates?

Accepted Answer

A)   hydrolysis
B)   frost wedging
C)   salt wedging
D)   dissolution B

Question 4

The Dust Bowl of the 1930s was created by which phenomenon?

Accepted Answer

A)   increased rainfall
B)   drought
C)   increased wind storms
D)   differential weathering

Question 5

Label the different soil horizons on the image below,then provide a brief description of each horizon next to the corresponding layer.

Accepted Answer

The answer of Label the different soil horizons on the...

Question 6

If the climate in an area has very little rainfall,what would be the characteristics of the soil in the area?

Accepted Answer

A)   thick,with a lot of organic material
B)   thin,with a lot of organic material
C)   thick,with very little organic material
D)   thin,with very little organic material

Question 7

Weathering results in

Accepted Answer

A)   larger,less-rounded pieces.
B)   larger,more-rounded pieces.
C)   smaller,less-rounded pieces.
D)   smaller,more-rounded pieces.

Question 8

Why does differential weathering occur?

Accepted Answer

A)   Chemical weathering attacks some layers,and physical weathering attacks the others.
B)   The cliffs formed by chemical weathering protect the rocks below.
C)   Some types of rocks don't weather at all,thus producing cliffs.
D)   Different minerals have different resistances to weathering.

Question 9

Describe the difference between sediment and soil.

Accepted Answer

The answer of Describe the difference between sediment and soil....

Question 10

The following is a picture of what type of phenomenon?

Accepted Answer

A)   jointing
B)   exfoliation
C)   chemical weathering
D)   hydration

Question 11

Which of the following are NOT considered sediments?

Accepted Answer

A)   fragments of shells
B)   fragments of rock
C)   cemented grains
D)   precipitated crystals

Question 12

Chemical weathering involves the breakdown of material due to

Accepted Answer

A)   mechanical breakdown of rock.
B)   baking in the hot sun.
C)   interaction with ice.
D)   interaction with water or air.

Question 13

Differential weathering occurs when

Accepted Answer

A)   none of the layers weather at all.
B)   layers of rock weather at the same rate.
C)   layers of rock weather at different rates.
D)   weathering occurs in the tropics.

Question 14

Salt water is the end product of this weathering process.

Accepted Answer

A)   hydrolysis
B)   dissolution
C)   jointing
D)   frost wedging

Question 15

Which type of weathering process is happening to materials when they rust?

Accepted Answer

A)   hydrolysis
B)   hydration
C)   oxidation
D)   dissolution

Question 16

Dissolution occurs when minerals

Accepted Answer

A)   are dissolved into water.
B)   are turned into rust.
C)   absorb water and expand.
D)   are removed by frost.

Question 17

Which soil horizon contains weathered bedrock that has NOT yet undergone leaching?

Accepted Answer

A)   O
B)   C
C)   E
D)   B

Question 18

The zone of leaching is the area in which

Accepted Answer

A)   weathered bedrock forms a soil horizon.
B)   organic matter gathers to create a soil horizon.
C)   minerals are precipitated and added to soil.
D)   minerals are dissolved and removed from soil.

Question 19

Sediment formation is the result of __________ at the Earth's surface.

Accepted Answer

A)   igneous activity
B)   metamorphic activity
C)   weathering
D)   hydration

Question 20

Describe how physical and chemical weathering can work together to break down rocks.

Accepted Answer

The answer of Describe how physical and chemical weathering can...

Exam 25: a Surface Veneer: Sediments and Soils