NSS3 - Unit 9 - Soil layers | Baamboozle - Baamboozle

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Soil layers

Study Slideshow

What is soil made of?

Rocks, minerals, air, water and humus

20

What is humus?

It is the remains of dead animals

15

What turns dead plants and animals into humus?

Decomposers

15

What colors can soil be?

Brown, dark brown, red, black etc

10

How many layers of soil are there?

3!

10

What is the first soil layer?

Topsoil

15

What is the second soil layer?

Subsoil

15

What is the third soil layer?

Bedrock

15

In which soil layer there are roots, insects and other tiny living things?

In the topsoil

20

In which soil layer there are lots of humus?

Topsoil

15

In which soil layer there is very little humus and some small rocks?

Subsoil

15

Which soil layer is very hard and made of very big rocks?

Bedrock

15

Which soil layer has very little water and air?

Bedrock

20

Which is the most productive layer of the soil?

Topsoil

20