SOIL REVIEW

What material is soil mostly made of?

• nutrients

• bits of bone

• shells

• pieces of rock

Tags

NGSS.MS-LS2-3

Which soil is formed with the smallest rock particles?

• loam

• sand

• silt

• clay

Which soil do plants grow best in?

• clay

• silt

• loam

• sand

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Humus is made up of what materials?

• small bits of shells and bones

• decomposing plants and animals

• quartz and feldspar minerals

• silt and clay

Which type of soil can hold the greatest amount of water?

• sand
• silt
• clay
• loam

Which soil would retain the most water?

• loam

• sand

• silt

• clay

What are soil layers called?

• Rock

• Horizons

• Layers

• Profile

What is decayed organic material in soil?

• topsoil

• humus

• subsoil

• bedrock

Tags

NGSS.MS-LS2-3

Which layer is the parent material?

• Horizon O

• Horizon A

• Horizon B

• Horizon C

• Horizon R

Which layer is the subsoil?

• Horizon O

• Horizon A

• Horizon B

• Horizon C

• Horizon R