Question 1

Which of these types of soil has the smallest particles?

Accepted Answer

Clay soil

Answer

Gravel

Answer

Sandy soil

Answer

Topsoil

Question 2

Water is not retained by gravel because the particles that make up gravel are very...

Accepted Answer

Large

Answer

Small

Answer

Non-existant

Answer

Tiny

Question 3

What soil is made of decayed plant and animal remains?

Accepted Answer

Humus

Answer

Gravel

Answer

Sandy Soil

Answer

Clay Soil

Question 4

Which of these soils would be described as sticky, soft, tan, and smooth?

Accepted Answer

Clay soil

Answer

Humus

Answer

Topsoil

Answer

Sandy soil

Question 5

How would you describe the physical properties of sandy soil?

Accepted Answer

Brown, gritty, rough

Answer

Smooth, tan, sticky

Answer

Tan, smooth, bumpy

Answer

Black, smooth, soft

Question 6

Which is the best soil for plants?

Accepted Answer

Topsoil

Answer

Rocks

Answer

Clay

Answer

Sand

Question 7

Why is topsoil the best soil for plants?

Accepted Answer

It's a mixture of several ingredients: sand, clay, nutrients

Answer

It has lots of water.

Answer

It has lots of clay.

Answer

It has lots of sand.

Question 8

How is the size of soil particles related to how well the soil retains water?

Accepted Answer

The smaller the particles the more water it will retain.

Answer

The larger the particles the more water it will retain.

Answer

The larger the particles the more rocky it will feel.

Answer

The smaller the particles the less water it will retain.

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