3A: Soil Horizons Doodle Notes Quizizz

Layers of soil are called (a)   .

Answer explanation

Soil is made of_______________.

• weathered rocks and minerals

• dead plants and animals

• air and water

• all of these

The texture of soil depends on __________________________.

• how much water it can retain

• particle size

• where it is found

• the microbes living in it

Tags

NGSS.MS-LS1-5

Which of the following creatures will you NOT find in the soil?

• Protozoans

• Nematodes

• Bacteria

• Psittaciformes

Soil formation begins with the weathering of _________________________.

• humus

• topsoil

• subsoil

• bedrock

Soil ____________________.

• Filters out pollutants

• is home to many insects, spiders, and other animals.

• recycles nutrients

• all of these

Tags

NGSS.MS-LS1-5

Which component makes up about 5% of soil?

• water

• organic matter

• air

• minerals

Tags

NGSS.MS-LS2-3

Which of the following is the correct order of soil particles in order of increasing particle size?

• clay-sand-silt

• sand-clay-silt

• silt-clay-sand

• clay-silt-sand

Identify each soil horizon.

Groups:

(a) Horizon O - Humus

,

(b) Horizon A - Topsoil

,

(c) Horizon B - Subsoil

,

(d) Horizon C - Parent material

• Contains humus and clay

• Decaying plants and animals

• Contains the most life

• determines the soil's PH

• Rich in minerals like aluminum and iron

• Pieces of weathered rock

• Layers above developed from this layer

• Loose soil, rich in organic material needed by plants

• Organic Matter

Healthy soil is a diverse ecosystem

• True

• False

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

NGSS.MS-LS2-4