Science Basics

Which soil particle is the loargest?

• Sand

• Silt

• Clay

• Rock

The spaces between soil paticles are called _______________.

• Soil spaces

• Pore spaces

• Air spaces

• Hydrolytic spaces

which soil particle is the smallest?

• Sand

• Silt

• Clay

• Rock

What are the different layers of soil in the earth called?

• Soil horizons

• Soil layers

• Soil strata

• Soil changes

The soil horizons together make up the soil _____________.

• Strata

• Pedigree

• Parallel

• Profile

What material makes up 5% of an Ideal soil?

• Air

• Water

• Minerals

• Organic matter

What material makes up 45% of an Ideal soil?

• Air

• Water

• Minerals

• Organic matter

What Layer of the soil profile supports most of the plant and animal life on earth?

• O horizon

• A horizon

• B horizon

• C horizon

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which soil horizon is most likely to erode first?

• O horizon

• A horizon

• B horizon

• C horizon

Tags

NGSS.MS-ESS2-2

What material fills up the pore spaces in the soil?

_____________and ____________