Soil

Soil

Multiple Select

Which of the following are ingredients of soil? (Select all that apply.)

• Air

• Rocks

• Water

• Decaying matter

Multiple Choice

Which best describes the overall process of soil formation?

• bedrock weathers and then mixes with humus

• compacting sediments

• decaying of organic material

• sediments are eroded

Multiple Select

Which of the following are uses of soil? (check all that apply)

• Building materials

• Home for animals

• Food supply

• Filtering water

Multiple Choice

Which soil horizon is solid rock?

• Horizon A

• Horizon B

• Horizon C

• Horizon R

Multiple Choice

Which soil horizon is known as the parent material with weathered rock?

• Horizon A

• Horizon B

• Horizon C

• Horizon O

Multiple Choice

Which soil horizon is dark in color with nutrients for growing plants?

• Parent Material

• Subsoil

• Organic matter

• Topsoil

Multiple Choice

Which soil horizon is lighter in color but still has some plant roots in it?

• Topsoil

• Subsoil

• Parent Material

• Bedrock

Multiple Choice

This type of soil is best for plant growth.

• rock

• sand

• loam

• clay

Multiple Choice

Which of the following types of soil has the largest particles?

• sand

• silt

• humus

• clay

Multiple Choice

Which type of soil is found by rivers, is soft, has medium sized particles, and is good for growing plants?

• Sand

• Silt

• Clay

• Humus

Multiple Choice

Which type of soil has the smallest particles, retains the most water, and has little air space for plant roots?

• Clay

• Sand

• Silt

• Loam

Multiple Choice

I am tan in color.  I do not hold water well.  I have a gritty texture.  What am I?

• silt
• humus
• clay
• sand

Multiple Choice

I am black in color.  I am soft and crumbly  What am I?

• silt
• humus
• clay
• sand

Multiple Choice

I am red in color.  I am hard when dry but sticky when wet.  What am I?

• silt
• humus
• clay
• loam

Multiple Choice

I am gray in color.  I am also very soft and powdery.  What am I?

• silt
• humus
• clay
• loam

Multiple Choice

Why is topsoil darker than all other levels of soil?

• It contains all the darker colored minerals
• It contains volcanic rock
• It contains more organic matter
• It contains bits of burned trees

Multiple Choice

Ellen grabs a topsoil sample in her hand. She rolls it into a ball. The soil feels gritty and the ball falls apart. What property of soil is Ellen testing?

• color

• texture

• ability to support plant growth

• water retention

Multiple Choice

What physical property of soil determines if it retains water?

• color

• particle size

• texture

• weight

Multiple Choice

If soil particles are large, then

• more water is retained

• less water is retained

Multiple Choice

Which soil would retain the most water?

• loam

• sand

• silt

• clay

Multiple Choice

Which of the following is NOT a property of soil?

• Color

• Texture

• Where it's located

• Ability to retain water

Multiple Choice

What is the connection between rocks and soil?

• Soil creates rocks.

• Weathering breaks down rock, which becomes an ingredient in soil

• There is no connection.

• Rocks cause soil erosion.

Multiple Select

Which actions lead to soil erosion?

• Clearing land for farming

• Crop and field rotation

• Planting trees

• Cutting down trees

Multiple Choice

Which of the following is NOT an example of a soil conservation method?

• Crop rotation

• Terraced farming

• Constructing windmills

• Contour planting

Multiple Choice

Which of the following is NOT an example of soil conservation?

• Solar energy

• No till farming

• Wind breaks

• Planting ground cover (example: trees)

Multiple Choice

Define sustainability.

• The continuing process of rocks changing from one form to another.

• causing little damage to the environment so resources last a long time

• Supporting your health and nutrition

• The wearing away of rocks and soil

Multiple Choice

Why are conservation and sustainability important?

• To keep animals off the endangered list

• To help the rock cycle continue

• To ensure that the soil receives enough rain

• To protect the environment and preserve natural resources