Erosion deposition

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.

What is mechanical weathering?

• Process through which rocks are physically broken into smaller pieces.
• Rocks are broken down through chemical changes.
• Rocks are worn away from acid in plant roots.
• Rocks broken down by machinery.

How does freezing water cause the weathering of rocks?  The freezing water—

• keeps the rocks in place
• makes the rocks last longer
• expands cracks and breaks rocks
• causes rocks to fall in landslides

Rain washing away soil from a hillside

• Weathering
• Erosion
• Deposition

Waves dropping sand on the beach

• Weathering 
• Erosion
• Deposition

Wind blowing sand from one location to another

• Weathering
• Erosion
• Deposition

Muddy water being carried away by a fast-moving river

• Weathering
• Erosion
• Deposition 

What is the major cause of weathering and erosion to form canyons?

• wind
• ice
• glaciers
• moving water

Tags

NGSS.MS-ESS2-2

What is the small broken down pieces of rock called?

• dirt
• grime
• sediment
• popcorn

Tags

NGSS.MS-ESS2-1