the dead parts of plants and animals in soil.

The tiny particles inside of soil

The roots that come off of a plant and live in soil.

Which of the following describes how microorganisms influence the chemical characteristics of soil?

They add organic material to the soil by breaking down the remains of plants and animals.

They loosen and mix the soil by digging burrows underground.

They add inorganic material to the soil by weathering rocks on Earth’s surface.

They add moisture to the soil by creating pores through which water can move.

It can take a long time for soil to form. Which are the primary factors that affect soil formation?

climate, parent rock, topography, living things, and time

rainfall, temperature, wind, time, and plants

time, climate, topography, plants, and animals

parent rock, sunshine, plants, animals, and bacteria

Soils

Quiz

•

Science

•

9th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-ESS2-2, MS-LS2-3, MS-ESS2-1

+1

Standards-aligned

Amy Napoles

Used 99+ times

FREE Resource

17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What kind of weathering causes the mineral composition of rock to change?

mechanical weathering

permeable weathering

chemical weathering

general weathering

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Soil is made of

weathered rocks and minerals

dead plants and animals

air and water

all of the above

Tags

NGSS.MS-ESS2-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An organism, especially a soil bacterium, fungus, or invertebrate, that breaks down organic material is a...

Decomposer

Burrower

Humus source

Tags

NGSS.MS-LS2-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

freezing water

chemical weathering

physical weathering

Tags

NGSS.MS-ESS2-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

acid rain

chemical weathering

physical weathering

Tags

NGSS.MS-ESS2-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

plant roots

chemical weathering

physical weathering

Tags

NGSS.MS-LS2-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

wind (abrasion)

chemical weathering

physical weathering

Tags

NGSS.MS-ESS2-2

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Soils

17 questions

What kind of weathering causes the mineral composition of rock to change?

Soil is made of

An organism, especially a soil bacterium, fungus, or invertebrate, that breaks down organic material is a...

freezing water

acid rain

plant roots

wind (abrasion)

burrowing animals

temperature changes (hot and cold)

Rain washing away soil from a hillside

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