Erosion

Water carrying sediment down a hill is an example of...

• weathering

• erosion

• deposition

What is erosion?

• The movement of rocks

• The breaking of rocks

• The dropping of rocks

Which of these is an example of erosion?

• Light shinning onto a mountain

• Rain breaking down rock

• Wind blowing away sediment

• All of the above

What is an enormous mass of ice moving over land?

• Ice wedging
• Glacier
• Iceberg
• Dune

Rain washing away soil from a hillside

• Weathering

• Erosion

• Deposition

A small stream or other source of flowing water cannot form a canyon?

• True
• False

Which term BEST describes the rate at which glacial erosion takes place?

• Quick

• Short

• Slow

• Sudden

The process by which small pieces of rocks and soil are carried away to new locations is called...

• deposition
• erosion
• weathering
• faults

What is loose materials?

• the process of rocks being broken down and carried away

• bits of rock, sand, and silt caused by the weathering of rocks

• the top layer of the soil

• decaying plant or animal material

The diagrams  shows a natural process that weathers rock.
 Which statement best explains why this process results in weathering?

• frozen water acts as a solute
• water expands when it freezes
• the mass of water increases when it freezes
• frozen water dissolves most types of rock