1) What is the start of a river called? a) source b) mouth c) confluence 2) What is the end of a river called? a) source b) tributary c) mouth 3) What is a river that joins another river called? a) watershed b) tributary c) mouth 4) what is the point where two rivers meet called? a) confluence b) watershed c) mouth 5) where would you find the watershed? a) high ground b) low ground c) on a tree 6) where on a river would you find a waterfall? a) middle b) upper c) lower 7) how many river processes are there? a) 3 b) 4 c) 2 8) how many types of erosion are there? a) 3 b) 4 c) 5 9) how many types of transportation are there? a) 3 b) 4 c) 5 10) which is a form of erosion a) abrasion b) traction c) saltation 11) which is a form of transportation? a) abrasion b) attrition c) suspension 12) Deposition occurs when the velocity of a river ... a) increases b) decreases c) stays the same

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