Question 1

Which of the following types of rocks could contain organic matter?

Select one:

a. Metamorphic

b. Igneous

c. Sedimentary

d. Quartz

Question 2

Which of the following types of rocks change during their creation?

Select one:

a. Metamorphic

b. Igneous

c. Sedimentary

d. Quartz

Question 3

Where does most metamorphic rock form?

Select one:

a. On lake beds.

b. Deep within the earth.

c. In extinct volcanoes.

d. On the bottom of the ocean.

Question 4

Soil formation results from:

Select one:

a. Rivers depositing sediment

b. Continuous weathering.

c. The rock cycle.

d. Mass wasting.

Question 5

The top layer of a soil horizon is:

Select one:

a. Parent rock.

b. Top soil.

c. Organic layer.

d. Sub soil.

Question 6

The type of soil that forms depends upon:

Select one:

a. The Parent rock.

b. The Organic layer.

c. The type of weathering.

d. The Deposition.

Question 7

Which of the following is NOT a cause of soil mismanagement?

Select one:

a. Clearing vegetation

b. Overuse of fertilizers

c. Pollution

d. Planting ground covers.

Question 8

Physical weathering includes all of the following except which one?

Select one:

a. Frost action

b. Temperature

c. Oxidation

d. Organic activity

Question 9

How does frost action cause weathering?

Select one:

a. Frost on roads cause cars to swerve impacting the asphalt.

b. It causes rocks to exfoliate.

c. It pulls rocks downhill.

d. Water seeps into cracks and freezes causing the crack to expand.

Question 10

Which of the following is NOT chemical weathering?

Select one:

a. Carbonation

b. Plant Acids

c. Water

d. Frost Action

Question 11

Which of the following is not an agent of erosion?

Select one:

a. Gravity

b. Glaciers

c. Waves

d. The Rock Cycle

Question 12

Why is there a temporary increase in pollutants after a storm?

Select one:

a. The storm water washes toxins and bacteria into waterways.

b. The rivers swell because of the increased water.

c. Streams empty into rivers faster.

d. Streams dump their loads into rivers.

Question 13

Waterfalls form when:

Select one:

a. The streams load carries soil and rocks.

b. The stream flows first over a hard rock layer, then a soft layer that is easily eroded.

c. The stream veers off from the river.

d. The stream velocity cuts into the stream banks.

Question 14

At the end of a river it can empty into?

Select one:

a. Another river

b. A lake

c. An ocean

d. All of the above

Question 15

Oxbow lakes form when:

Select one:

a. Rivers empty into oceans.

b. Two or more streams empty into a river.

c. When a bend in a river gets cut off from the main river.

d. Sediments are deposited at the end of a river.

Question 16

Deltas will form when:

Select one:

a. Large amounts of sediments are deposited at the mouth of a river.

b. When rivers meander and become isolated.

c. When two or more streams enter a river.

d. When levees are formed.

Question 17

Which of the following is not a factor of wind erosion?

Select one:

a. Size of the particle

b. Length of time the wind blows

c. Type of rock

d. Whether it blows over salt water or fresh water.

Question 18

The best way of controlling erosion depends on the following:

Select one:

a. Anchoring the soil by planting vegetation.

b. Limiting use of pesticides.

c. Limiting compaction of soil.

d. Controlling deposition from rivers.

Question 19

Which of the following is NOT a method of controlling erosion?

Select one:

a. Terracing

b. Strip cropping

c. Drainage ditches

d. Dams

Question 20

Choose all the answers that are mechanical weathering.

Select one or more:

a. water

b. impact and abrasion

c. frost action

d. gravity

e. oxidation

f. carbonation

g. organic activity

h. temperature

i. sulfuric acid

j. acid rain