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Worksheets

Weathering & Soil With Mr. O

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

What type of weathering would most likely wear away the dates and names on marble tombstones in a graveyard?

a)

Carbonic Acids in Rainwater

b)

Sand from Wind Abrasion

c)

Animal Actions like Burrowing

d)

Frost Wedging from Freezing Winters

2.

Chemical weathering from rain can happen more rapidly if it is this type of rain that is high in pollution.

a)

Freezing Rain

b)

Acid Rain

c)

Chemical Rain

d)

Falling Rain

3.

What are 2 ways that topsoil can lose its value?

a)

Erosion from Wind and/or Water

b)

Loss of Fertility

c)

Loss of Weathering

d)

Fertility from Wind and/or Water

e)

Loss of Erosion

4.

Which type of weathering most likely has occurred to this sculpture?

a)

Frost Wedging from water and ice

b)

Animal Actions from woodpeckers

c)

Plant Actions from roots shifting and cracking it

d)

Abrasion from sand in the wind

5.

What are 3 good ways to conserve farmland topsoil?

a)

Contour Chopping

b)

Contour Plowing

c)

Conservation Plowing

d)

Conservation Rotation

e)

Crop Rotation

6.

If I place one of these marble statues in a hot wet tropical village, and another in a hot wet urban city. Which would likely weather more quickly?

a)

Urban City Due to Acid Rain or Carbonic Acid in Fog/Rain

b)

Tropical Village Due to Monkeys and Bananas

7.

Earthworms decompose decaying organic matter from plants and animals,

therefore creating rich fertile _____________________

a)

Silt

b)

Sand

c)

Clay

d)

Humus

8.

Which soil is most valuable because it has equal parts, is permeable, and rich in nutrients?

a)

Sandy Soil

b)

Loam Soil

c)

Clay Soil

d)

Bedrock

9.

In the correct order, what would you find in the A Horizon, B Horizon, and then C Horizon?

a)

Subsoil, Weathered Bedrock, Clay

b)

Clay, Topsoil, Weathered Bedrock

c)

Topsoil, Subsoil, Weather Bedrock

d)

Subsoil, Sub Subsoil, Sub Sub Subsoil.

10.

Which type of mechanical weathering likely occurred in order to do this to this rock?

a)

Frost Wedging

b)

Abrasion

c)

Plant Growth

d)

Animal Actions

11.

Which type of weathering caused the Grand Canyon?

a)

Acid Rain from Pollution

b)

Acid from Plant Roots

c)

Frost Wedging from Ice

d)

Abrasion from Water

12.

Why should farmers practice conservation plowing? What does it do for the soil?

a)

Holds soil in place, adds nutrients, and retains moisture.

b)

Loosens up soil, saves nutrients, blocks moisture.

c)

Breaks up soil, depletes nutrients, causes moisture

d)

Because it keeps King Kong away.

13.

What is it called when you alternate crops to retain or restore nutrients in farmland soil?

a)

Plow Rotation

b)

Crop Plow

c)

Crop Rotation

d)

Crop Mix

14.

Why is plant cover beneficial to preserving topsoil?

a)

Roots hold soil in place, prevent water and wind erosion

b)

Plants protect soil by breaking the force of falling rain.

c)

Plants protect soil from blowing away by breaking force of wind.

d)

Plant cover actually helps keep soil moist by blocking sunlight

15.

What makes soil Loam?

a)

It has equal parts of sand, silt, and clay

b)

It is rich in clay

c)

Has equal parts of bedrock, pebbles, and sand

d)

Has equal parts of clay, rock, and gravel

16.

Which horizon is not labeled or listed in this diagram?

a)

A Horizon

b)

B Horizon

c)

C Horizon

d)

D Horizon

17.

What type of weathering is occurring due to the acids from the lichens growing on this rock?

a)

Mechanical Weathering

b)

Physical Weathering

c)

Machine Weathering

d)

Chemical Weathering

18.

What type of chemical weathering is happening to these rocks in order to cause the iron to rust.

a)

Rustification

b)

Oxygenation

c)

Oxidation

d)

Acid Rain

19.

What is the most obvious type of weathering occurring in the is picture?

a)

Mechanical Weathering from Plant Growth

b)

Chemical Weathering from Plant Roots

c)

Mechanical Weathering from Animal Actions

d)

Chemical Weathering from Carbonic Acid in Fog

20.

Why is rich fertile soil so valuable?

a)

Because it is dark and brown

b)

Because it has poop in it

c)

Because it is full of dead stuff

d)

Because it is a limited natural resource