Soil Assessment Quiz

Soil provides the support and nutrients necessary for _________.

• bedrock to form

• erosion to occur

• water to flow

• plants to grow

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DOK Level 2: Skill/Concept

Which of the following can become humus?

• rocks

• leaves

• water

• sand

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DOK Level 2: Skill/Concept

Plants grow best in which layer of soil?

• topsoil

• bedrock

• subsoil

• rock

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DOK Level 2: Skill/Concept

Humus can best be described as ___________.

• a layer of soil found under the topsoil

• tiny particles of soil that hold water well

• the movement of soil from one place to another

• decayed matter in soil

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DOK Level 2: Skill/Concept

Materials that plants and animals need to live and grow are called ____________.

• particles

• organisms

• adaptations

• nutrients

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DOK Level 2: Skill/Concept

Which of the following is NOT a component of soil?

• Sand

• Water

• Air

• Plastic

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DOK Level 2: Skill/Concept

Which soil component consists of small grains of worn-down rock, has few nutrients, and does not hold water well?

• silt

• clay

• bedrock

• sand

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DOK Level 2: Skill/Concept

Soil is important to people because it _______________.

• creates new landscapes

• supports the growth of a lot of food

• can be replaced quickly

• changes components quickly

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DOK Level 2: Skill/Concept

Which of the following is a sign of healthy soil?

• Presence of many earthworms

• Dry and cracked surface

• Strong odor

• Hard and compact texture

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DOK Level 2: Skill/Concept

Weathering is a process that breaks down rocks to create soil. This process takes _________.

• many years

• a few days

• several months

• six weeks

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DOK Level 2: Skill/Concept