Soil Notes review

What is soil?

• a mixture of minerals/rock particles, water, gases, and organic matter.

• Soil is not affected by living organisms
• Soil is made up of only minerals
• Soil is a type of rock

Where does most of the material in soil come from?

• decaying organisms

• parent rock

• volcanoes

• plastic

Which type of soil stays near the parent rock?

Which type of soil move farther away from the parent rock?

What is soil composition?

• Soil is composed of rocks only
• Soil composition refers to the color of the soil
• Soil composition is determined by the number of plants in the area
• Different components that make up soil, including minerals, organic matter, water, and air.

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS1-5

True/false: Dark color in soil indicates organic matter

• true

• false

Which of the following places the sediments in order from SMALLEST to LARGEST?

• Silt, Gravel, Clay, Sand

• Clay, Silt, Sand, Gravel

• Gravel, Silt, Sand, Clay

• Clay, Silt, Gravel, Sand

Which of the following soil horizons is made of topsoil and is mostly organic?

• bedrock

• B horizon

• A horizon

• C horizon

How does climate affect soil?

• it can affect the rate of erosion

• it can affect the type of weathering that occurs

• it can affect how fast weathering occurs

• it can affect the type of bedrock

What happens when there is too much erosion?

• topsoil cannot form, affecting the ability of crops to grow

• plants grow more effectively

• too much soil builds up along rivers

• trees break down bedrock at an increased rate

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS1-5

NGSS.MS-LS2-4