Grade 4 erosion

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

• deposition
• erosion
• weathering
• faults

Wind blowing sand from one location to another

• Weathering
• Erosion
• Deposition

What made this landform known as a valley?

• Glacier
• hill
• deposition
• rocks

What is erosion?

• The movement of sediment

• The breaking of sediment

• The dropping of sediment

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

• weathering

• erosion

• deposition

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

What is sediment?

• 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