Weathering and Erosion

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.

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

NGSS.MS-ESS2-4

What is deposition?

• 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.

How do plants weather rocks?

• during photosynthesis
• when roots grow into cracks of rocks and expand the rock
• when the plant moves water from the roots to the leaves

How might a weathered mountain appear different from an unweathered mountain?

• The weathered mountain would be taller

• The weathered mountain would appear rounder in shape

• The weathered mountain would appear more jagged

• The weathered mountain would contain fewer trees

Tags

NGSS.MS-ESS2-2

What can you infer about ice from the information presented in the movie?

• It usually causes chemical weathering

• It expands as it freezes

• It barely causes weathering at all

• It does not exert pressure on rocks

Tags

NGSS.MS-ESS2-2