Weathering and Erosion

The best soil mixture is

• sand, clay, and humus

• sand, rocks and water

• plants, humus and soil

The formation of ____________ may take up to 1,000 years

• plants

• soil

• clay

When a tree root grows through a crack in a rock and splits the rock, ___________________ has occured

• erosion

• weathering

• conservation

Tags

NGSS.MS-ESS2-2

___________________ happens when soil is washed away by water or wind

• weathering

• erosion

• sand

Tags

NGSS.MS-ESS2-2

Rotting _______________ and __________________ in the soil make humus.

• plants and animals

• sand and clay

• animals and erosion

Tags

NGSS.MS-LS2-3

Planting grass, plants and trees to prevent erosion is an example of ___________________________, which is the protection of our natural resources.

• erosion

• conservation

• humus

What is the carrying away of rock, and soil by water, wind or animals?

• glacier

• erosion

• topsoil

Tags

NGSS.MS-ESS2-2

What is the layer of soil below topsoil?

• bedrock

• humus

• subsoil

What is the protection of natural resources?

• conservation

• glacier

• erosion

Tags

NGSS.MS-LS2-5

NGSS.MS-ESS3-4

What is the breaking up of rock?

• humus

• topsoil

• weathering

Tags

NGSS.MS-ESS2-2