unit 1 gcse aqa
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Different types of transportation | Traction, Saltation, Suspension, Solution
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| Different types of erosion | hydraulic action, attrition, abrasion, solution
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| Factors Decreasing dischrge | Low rainfall, Permeable Rock, Mild conditions, gentle slopes, rural areas, more vegetation
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| Mass Tourism- drawbacks | most profit is kept by companies in medc. tourism jobs=badly paid. traffic congestion. greenhouse gases- global warming. increase in litter. destruction of natural habitats.
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| erosion- solution | Chemical in the water weaken the beds. acidic waters w/high pH
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| erosion- hydraulic action | the force of the water erodes the bed + bands of the river due to pressure weakening them.
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| transportation- traction | large material. rolls on the beds. doesn't lose contact wit the bed.
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| transportation- saltation | bouncing of small stones, sand, grains on river beds
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| Hard engineering? | man made structures built to control the flow of rivers and reduce flooding
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| factors increasing discharge | high rainfall, impermeable rock, hot dry conditions/freezing, steep slops, urban areas
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| Waterfall eg | niagara falls
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| soft engineering? | are schemes set up using the knowledge of rivers and its processes to reduce the affects of flooding
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| why do rivers flood? | physical: prolonged rainfall-saturated soil. snowmelt. heavy rainfall. relief
Human: deforestation. Building construction
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| Transportation- suspension | carrying of very fine material
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| transportation- solution | dissolved material eg, limestone, chalk
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| mass tourism- benefits | brings money--> local community projects
creates jbs for locals. improved roads,communication,infrastructure
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| erosion- attrition | the crashing of the rocks together eroding the banks laterally causing material to get smaller.
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| erosion- abrasion | the erosion of the river bottom and the riverbank by material being carried by the river itself
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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