Soil

Soil

6th Grade

32 Qs

quiz-placeholder

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Soil

Soil

Assessment

Quiz

Science

6th Grade

Practice Problem

Medium

NGSS
MS-LS2-3, MS-LS1-5, MS-ESS2-2

+1

Standards-aligned

Created by

Carmen Guadarrama

Used 1+ times

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32 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which layer of soil is rich in organic material and known as the humus layer?

C-Horizon

B-Horizon

A-Horizon

O-Horizon

Tags

NGSS.MS-LS2-3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main composition of the O-Horizon?

Clay soil

Broken bedrock

Minerals and metal salts

Organic materials such as dried leaves and grasses

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which layer is known as the subsoil?

C-Horizon

O-Horizon

B-Horizon

A-Horizon

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the A-Horizon in soil?

To store organic material

To act as a barrier for roots

To support plant growth with nutrients

To provide a habitat for microorganisms

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which horizon is also known as the topsoil?

O-Horizon

A-Horizon

B-Horizon

C-Horizon

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Where does soil formation begin?

Weathering of parent rock.

Horizon A

Horizon B

Soil doesn't form, it's always just been there.

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which horizon contains decomposers so it has the most decayed organic matter?

Horizon A

Horizon B

Horizon C

Horizon D

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