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

The very top layer of soil is mostly made of

• Solid rock

• Clay and mineral deposits

• A mixture of minerals and organic material

• Mostly organic material (humus)

Tags

NGSS.MS-ESS2-1

Which layer of soil is on the bottom?

• topsoil

• subsoil

• bedrock

• bottomsoil

Tags

NGSS.MS-ESS2-1

What is the layer of soil just below the topsoil?

• soil

• subsoil

• topsoil

• terrace farming

Decayed organic material in soil is called______.

• Litter

• Silt

• Humus

• Clay

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which of the following types of soil is made up of larger particles from different materials?

• sand

• silt

• humus

• clay

This type of soil is sticky when wet and hard when dry.

• clay

• silt

• sand

• gravel

This type of soil feels smooth when dry and slippery when wet.

• bedrock

• loam

• silt

• clay

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

Tags

NGSS.MS-ESS2-2