Quiz about Soil Review

Question 1

The texture of soil depends on the:

Accepted Answer

composition of the soil

Answer

mass

Answer

water in the soil

Answer

plants growing in the soil

Question 2

Which type of soil has a large amount of decayed matter like plants and animals?

Accepted Answer

humus

Answer

sand

Answer

loam

Answer

clay

Question 3

Which word means to rot or decompose?

Accepted Answer

Decay

Answer

Fertile

Answer

Growth

Answer

Nutrients

Question 4

Humus is bad for soil.

Accepted Answer

False

Answer

True

Question 5

Which layer of soil is on bottom?

Accepted Answer

Bedrock

Answer

Topsoil

Answer

Sand

Question 6

There are FOUR components of soil: water, air, organic material, and ________.

Accepted Answer

rock

Answer

conservation

Answer

subsoil

Answer

loamy

Question 7

What is HUMUS made from?

Accepted Answer

The remains of decayed plants and animals

Answer

Chick-Peas

Answer

Beans

Answer

Cheese

Question 8

All soils begin with what process?

Accepted Answer

Weathering

Answer

Nutrients

Answer

Subsoil

Answer

Fertile

Question 9

Fertile soil is rich in _________.

Accepted Answer

Nutrients

Answer

Conservation

Answer

Bedrock

Answer

Water

Question 10

The top layer of soil is called ________.

Accepted Answer

topsoil

Answer

bedrock

Answer

subsoil

Answer

grass

Question 11

This is found in the topsoil and is made of decaying plants and animals.

Accepted Answer

humus

Answer

dirt

Answer

water

Answer

subsoil

Question 12

Which of the following is NOT one of the three layers of soil?

Accepted Answer

undersoil

Answer

topsoil

Answer

subsoil

Answer

bedrock

Question 13

What is a soil problem all farmers face?

Accepted Answer

soil erosion

Answer

soil hardening

Answer

soil spoiling

Answer

soil pollution

Question 14

When there are not enough plants to hold topsoil in place, water and  _______ carry the topsoil away, leaving the subsoil exposed

Accepted Answer

wind

Answer

sunlight

Answer

birds

Answer

magnetic fields

Question 15

Which layer of soil is on the bottom?

Accepted Answer

bedrock

Answer

topsoil

Answer

subsoil

Answer

bottomsoil

Question 16

The breaking down of rocks into smaller pieces.

Accepted Answer

weathering

Answer

erosion

Answer

sediment

Answer

sand

Question 17

Layers of soil are also known as:

Accepted Answer

Soil Horizons

Answer

Soil Profiles

Answer

Soil sheets

Answer

Soil cores

Question 18

Are there minerals in soil?

Accepted Answer

Yes

Answer

No

Question 19

Soil is made ________ in nature.

Accepted Answer

slowly

Answer

quickly

Answer

higher

Answer

lower

Question 20

To grow, plants need water, light, and ______ from the soil.

Accepted Answer

nutrients

Answer

bedrock

Answer

worms

Answer

roots

Question 21

A mixture of minerals, air, water, and humus is __________.

Accepted Answer

soil

Answer

conservation

Answer

clay

Answer

pollution

Question 22

What kind of soil is good for growing plants?

Accepted Answer

topsoil

Answer

sand

Answer

clay

Answer

a child's stinky shoe

Question 23

In which horizon do most animals such as bugs live?

Accepted Answer

Topsoil

Answer

Humus

Answer

Subsoil

Answer

Parent Material

Answer

Bedrock

Question 24

The very top layer of soil is mostly made of

Accepted Answer

Mostly organic material (humus)

Answer

Solid rock

Answer

Clay and mineral deposits

Answer

A mixture of minerals and organic material

Question 25

Soil is made of

Accepted Answer

all of the above

Answer

weathered rocks and minerals

Answer

dead plants and animals

Answer

air and water

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