Weathering, Erosion and Deposition

Water getting into cracks, freezing, and breaking the rocks or pavement apart

• abrasion

• ice wedging/frosting

• acid rain

• Chemical Weathering

Waves dropping sand on the beach

• Weathering 
• Erosion
• Deposition

Rain washing away soil from a hillside

• Weathering
• Erosion
• Deposition

A metal statue slowly turning green after years of being outside is an example of:

• physical weathering
• chemical weathering

Tags

NGSS.MS-PS1-2

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.

Which of the following is NOT a type of mechanical/physical weathering?

• burrowing animals (animals who did)

• ice wedging

• plant roots

• acid rain

Wind blasting sand at rock and carving out arches

• Weathering
• Erosion
• Deposition

Tags

NGSS.MS-ESS2-2

A cliff formed near the ocean. Which statement best describes how this cliff formed?

• Warm air caused the rock to dry, crack and break off.

• A volcano erupted and this is hardened lava.

• Ocean waves washed away rock by pounding on it.

• Plant roots pushed away the rock.

Tags

NGSS.MS-ESS2-2