IGCSE Geo Physical Review

Which one is true?

• The hydrological cycle is a closed system; a river is an open system

• The hydrological cycle and rivers ar eboth closed systems

• The hydrological cycle and rivers are both open systems

• The hydrlogical cycle is an open system; a river is a closed system

What do we call water which evaporates from plants?

• Green evaporation

• Vegetal transpiration

• Evapo-transpiration

• Evapo-precipitation

Glaciers, lakes, and interception are all...

• water flows

• aquifers

• water stores

• surface run-off

Rain, snow, and hail are all...

• Perspiration

• Evaporation

• Precipitation

• Transpiration

What is a drainage basin?

• A group of aquifers carrying water to the river discharge

• A tropical basin which has more than 50mm of rain every year

• An area of land where precipitation collects and drains off into a common outlet such as a river

• A group tributaries which all lead to one river discharge, lake, or ocean

What are the three kinds of weathering?

• Physical weathering, chemical weathering, and biological weathering

• Erosion weathering, hydro-weathering, and artificial weathering

• Dry weathering, humid weathering, and chemical weathering

• Biological weathering, chemical weathering, and cold weathering

Which one is true about a river's upstream area?

• Higher discharge (more water)

• Higher velocity (speed)

• Bigger load particle size

• High load quantity

What is hydraulic action?

• Erosion which happens through the force of water hitting rock

• Erosion which happens by big rocks becoming smaller and smoother

• Erosion which happens by small rocks rubbing against other rocks

• Erosion which happens through chemicals

Define a river meander.

• The bottom of the river eroded by sand wand water

• The high slope of a river in the upper stream

• The bends in the river going back and forth

• The flat part of the rier in the lower stream

Which one of the following requires the most water to produce?

• fruit

• beef

• pork

• wheat