Weathering and Soil Formation

What is the movement of soil from one place to another?

• weathering
• deposition
• discharge
• erosion

Tags

NGSS.4-ESS2-1

Weathering and erosion are the same thing.

• True
• False

Tags

NGSS.MS-ESS2-2

Soil formation begins with the weathering of_______.

• Humus
• Subsoil
• Litter
• Rock

Tags

NGSS.MS-ESS2-2

Humus is.....

• the dead parts of plants and animals in soil.
• A food we eat with pretzels.
• The tiny particles inside of soil
• The roots that come off of a plant and live in soil.

Tags

NGSS.MS-LS2-3

Decayed organic material turns into dark colored material called __.

• litter
• clay
• humus
• soil

Tags

NGSS.MS-LS2-3

What is the first step of soil formation?

• humus decomposing
• nitrates being absorbed by the plant roots
• weathering of parent rock
• climate changing

Weathering occurs fastest in

• cold, dry climates
• cold, wet climates
• hot, dry climates
• hot, wet climates

Tags

NGSS.MS-ESS2-6

The MAIN  thing Decomposers do for the the soil is the following:

• Store moisture
• Burrow deep in the soil
• Make space for air and water
• Break down and digest dead organisms

Tags

NGSS.MS-LS2-3

What is soil composed of?

• weathered rock
• minerals
• living things
• all of the above

Tags

NGSS.MS-LS2-3

Earthworms, moles and other animals help soil formation by:

• Breaking rock down
• Mixing and loosening soil by burrowing 
• Draining the water from soil
• Eating soil

Tags

NGSS.MS-LS2-3