Weathering and Erosion Challenge Key

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

Wind blasting sand at rock and carving out caves

• Weathering

• Erosion

• Deposition

Tags

NGSS.MS-ESS2-2

Wind blowing sand from one location to another

• Weathering

• Erosion

• Deposition

Tags

NGSS.4-ESS2-1

Weathering and erosion are the same thing.

• True

• False

Over long periods of time, deposition may change the Earth’s surface by _____.

• forming new land features.

• breaking down large rocks into smaller ones.

• washing away beaches.

• moving topsoil.

Tags

NGSS.MS-ESS2-2

Deposition changes the Earth’s surface because bits of broken rock and soil _____.

• stop rivers from flowing.

• make rich farmlands.

• are dropped in new places.

• move very slowly.

Tags

NGSS.MS-ESS2-2

What is weathering?

• A process that breaks down rocks into smaller pieces

• A shift in weather patterns

• The process by which mountains are formed

• The process by which the seasons change

Tags

NGSS.MS-ESS2-2

How is mechanical weathering different from chemical weathering?

• Chemical weathering happens over a much shorter time frame than mechanical weathering

• Chemical weathering occurs in the tropics; mechanical weathering occurs in temperate climates

• Chemical weathering occurs in mountains; mechanical weathering occurs on flat surfaces

• Chemical weathering changes the chemical composition of materials; mechanical weathering does not

Tags

NGSS.MS-ESS2-2

What can you infer about the type of erosion that formed the Grand Canyon?

• Wind erosion

• Water erosion

• Sandblasting

• Glacial erosion

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4