Crash Course Kids Weathering and Erosion

Which horizon is formed as plants add organic materials from the humus above to the soil and plant roots weather rock?

• C Horizon (parent material)

• A Horizon (topsoil)

• Bedrock

• B Horizon (subsoil)

The layer of soil formed when rain washes material down from the A horizon (topsoil).

• Humus

• Bedrock

• B Horizon (subsoil)

• C Horizon (parent material)

the process that breaks down rocks and other substances

• humus

• weathering

• Bedrock

• erosion

The agents of which type of weathering include water, oxygen, carbon dioxide, living organisms, and acid rain?

• mechanical weathering

• erosion

• chemical weathering

• soil

What is the process that picks up and moves weathered rocks?

• Erosion

• Landslide

• Weathering

What is the wearing away or breaking down of rocks called?

• Weathering

• Erosion

• Glaciers

Tags

NGSS.MS-ESS2-2

What is an enormous mass of ice moving over land, causing weathering of rock and soil?

• glacier

• iceberg

• ice wedge

• sand dune

Tags

NGSS.MS-ESS2-2

Weathering and erosion are the same thing.

• True

• False

What is weathering?

• The process by which
  water, ice, wind or gravity
  moves fragments of rock
  and soil.

• The process by which
  water, ice, wind or gravity
  deposit rock sediments
  and soil in a new place.

• The breaking down of
  Earth’s crust into smaller
  and smaller pieces.

Tags

NGSS.MS-ESS2-2

What is erosion?

• The process by which
  water, ice, wind or gravity
  moves fragments of rock
  and soil.

• The process by which
  water, ice, wind or gravity
  deposit rock sediments
  and soil in a new place.

• The breaking down of
  Earth’s crust into smaller
  and smaller pieces.

Tags

NGSS.MS-ESS2-2