Soils Unit

What is soil?

• Molten rock found deep within Earth

• A mixture of minerals, water, air and organic matter

• An organism that lives underground

• A type of rock

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

Why is soil important to living things?

• Plants live in soil - they anchor themselves in soil

• Soil helps cycle nutrients and substances in the environment

• Soil helps filter and clean water that permeated the ground

• All of the above

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which of the following is NOT a living part of soil?

• Minerals

• Bacteria

• Fungi

• Plants

Which of the following is NOT a nonliving component of soil?

• Sediments

• Water

• Minerals

• Magma

What kind of organisms are most important to the formation of soil?

• Plants

• Mammals

• Decomposers

• Humans

Which of the following is NOT one of the 4 factors of soil formation?

• Climate

• Organisms

• Topography

• Roots

• Parent Material

What is parent material?

• The living things that decomposer to become organic matter

• Solid rock that breaks down to become the sediment found in soil

• Living things that help make soil

• Sediment that compacts together to become rock found in soil

Tags

NGSS.MS-ESS2-1

What is texture in terms of soil?

• The color of the soil

• How thick/thin the soil is

• How the soil feels

• The ability for water and nutrients to flow through the soil

Which soil texture is the most porous?

• Clay

• Silt

• Sand

• None of these options make sense

What type of soil is made up of almost equal parts sand, silt, and clay?

• Clay Soil

• Loamy Soil

• Sandy Soil

• Silty Clay Soil