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  5. Ch 05.2: Soil Formation
Ch 05.2: Soil Formation

Ch 05.2: Soil Formation

Assessment

Presentation

Science

11th Grade

Practice Problem

Easy

NGSS
MS-ESS1-1, MS-ESS2-4, MS-LS2-3

+9

Standards-aligned

Created by

Sarah Rock

Used 3+ times

FREE Resource

19 Slides • 10 Questions

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media

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Fill in the Blanks

3

Multiple Select

Which of the following are components of soil?

1

organic matter

2

mineral matter

3

water

4

air

4

Multiple Select

Which of the following particle sizes influence soil teture?

1

sand

2

silt

3

clay

5

Multiple Choice

As you go deeper into the soil, there is a gradual increase in clay.

1

true

2

false

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media

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11

Match

Match the following:

source of the mineral matter in soil

soil that forms on bedrock

soil that forms on unconsolidated deposits

parent material

residual soil

transported soil

12

media

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media

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media

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media

16

Multiple Select

How does climate affect soil formation?

1

Temperature and moisture influence the speed of chemical reactions.

2

Soils develop faster in warm, moist areas and slower in cold or arid areas.

3

Helps control how fast rocks weather and dead organisms decompose.

17

media

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media

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media

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media

22

Match

Match the following:

the main source of organic matter in soil

play an active role in decomposing organisms

mix the mineral and organic matter in soil

plants

microorganisms

burrowing animals

23

Match

Match the following:

take up nitrogen gas and produce ammonia, a form of nitrogen that plants can absorb

produce compounds called nitrates and nitrites, nitrite is the most common source of nitrogen for plants

break down nitrates and release nitrogen gas into the atmosphere

nitrogen-fixing bacteria

nitrifying bacteria

denitrifying bacteria

24

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media

27

Multiple Select

How does the slope of land affect soil thickness?

1

Steep slopes have more erosion, so their soil is usually thin or nonexistent.

2

Flat areas have little erosion, so their soils are typically thick.

3

Steep slopes have little erosion, so their soilis ususlly thick or nonexistent.

4

Flat areas have more erosion, so their soil is usually thin.

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29

Multiple Select

Which of the following are important factors in soil formation?

1

climate

2

time

3

parent material

4

organisms

5

slope

media

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