Year 7 Rivers Revision

What type of weathering involves physical processes such as freeze-thaw?

• Chemical

• Biological

• Mechanical

• Thermal

Which type of weathering involves the breakdown of rocks through chemical reactions?

• Mechanical

• Biological

• Chemical

• Physical

What is the process called when water forces air into cracks, breaking the rock apart?

• Abrasion

• Hydraulic Action

• Attrition

• Freeze-Thaw Weathering

Which erosion process involves rocks carried by the river scraping and grinding the bed and banks?

• Solution

• Attrition

• Abrasion

• Hydraulic Action

• Corrosion

What term describes the movement of large boulders rolled along the river bed?

• Saltation

• Traction

• Suspension

• Glacial Movement

Which transportation process involves fine particles carried within the water?

• Solution

• Suspension

• Saltation

• Traction

• Flotation

When does deposition occur in a river?

• When the river gains energy

• When the river loses energy

• When the river flows faster

• When the river slows down

What is the process called when water changes from liquid to gas due to heat?

• Condensation

• Evaporation

• Precipitation

• Sublimation

Which process involves water vapour cooling and turning back into liquid?

• Precipitation

• Infiltration

• Condensation

• Evaporation

What is the area of land drained by a river and its tributaries called?

• Floodplain

• Drainage Basin

• Delta

• Watershed