weathering and erosion

The process that breaks down rocks and other materials on Earth's surface is called

• weathering
• erosion
• soil conservation
• decomposition

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 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.

Which one of these would cause a fast change to earth's surface?

• Wind weathering a mountain
• Sand dropping on a beach 
• Volcanic eruption
• A river eroding a canyon

Weathering and erosion are the same thing.

• True
• False

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

• Weathering
• Erosion
• Deposition