Soil

Soil is made of

• weathered rocks and minerals
• dead plants and animals
• air and water
• all of the above

Tags

NGSS.MS-ESS2-1

Which layer of soil are these roots growing in?

• subsoil
• topsoil

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-3

The breaking down of rocks into smaller pieces.

• erosion

• weathering

• sediment

• sand

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

What living things are in soil?

• earthworms

• sand

• glass

• minerals

What is loam?

• an even mixture of sand, silt, and clay

• soil made of mostly sand

• soil made of mostly clay

• a mixture of gravel and sand

Why is soil an important natural resource?

• soil is used to make buildings

• soil can grow crops

• soil comes from bedrock

• soil is full of mircobes

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The way soil feels is called its _____.

• type

• texture

• particle

• grain size

Weathering is......

• rocks, grass, and mud.

• the breakdown of rocks into smaller pieces

• the breakdown of wind, rain, and friction

• the weather outside

Tags

NGSS.MS-ESS2-2

The main causes of weathering are all of the following except...

• sun

• water

• ice

• wind