1) Which one is not a physical process? a) abrasion b) hydraulic-action c) erosion d) solution e) attrition f) all of them are physical processes 2) what is the definition of hydraulic action? a) this is caused by material carried in the river rubbing against the bed and banks of the channel, wearing them away b) when the river water is slightly acidic, dissolving some rocks and minerals in contact with the river c) the sheer force of water hitting the river bed and banks and wearing them away d) sediment particles carried in the river collide with each other causing edges to be knocked off.  e) None of them f) i don't know 3) what is the definition of solution? a) this is caused by material carried in the river rubbing against the bed and banks of the channel, wearing them away b) when the river water is slightly acidic, dissolving some rocks and minerals in contact with the river c) the sheer force of water hitting the river bed and banks and wearing them away d) sediment particles carried in the river collide with each other causing edges to be knocked off.  e) None of them f) i don't know 4) what is the definition of abrasion? a) this is caused by material carried in the river rubbing against the bed and banks of the channel, wearing them away b) when the river water is slightly acidic, dissolving some rocks and minerals in contact with the river c) the sheer force of water hitting the river bed and banks and wearing them away d) sediment particles carried in the river collide with each other causing edges to be knocked off.  e) None of them f) i don't know 5) what is the definition of attrition? a) this is caused by material carried in the river rubbing against the bed and banks of the channel, wearing them away b) when the river water is slightly acidic, dissolving some rocks and minerals in contact with the river c) the sheer force of water hitting the river bed and banks and wearing them away d) sediment particles carried in the river collide with each other causing edges to be knocked off.  e) None of them f) i don't know 6) Which one is not a process during the formation of an oxbow lake? a) narrow neck of the meander is being eroded b) water takes the quickest route c) deposition takes place sealing old meander d) plunge pool formed from large, fallen, angular boulders e) the meander neck has been cut through completely f) oxbow lake left behind 7) Which one is a meander? a) b) c) d) e) 8) What is this called? a) water fall b) oxbow lake c) interlocking spurs d) levees 9) What section of the river can you find this in? a) upper course b) Middle course c) Lower course 10) The gradient stays the same throughout the middle course and lower course. a) True b) False c) Not sure

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