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- 1. Multiple Choice
Develops when a river meets a layers of soft and hard rock.
True
False
- 2. Multiple Choice
At the base of the waterfall what forms?
Plunge Pool
Overhang
Stream
Abrasion
- 3. Multiple Choice
The river undercuts the hard rock, creating an overhang.
True
False
- 4. Fill in the Blank
Over time the top rock sticks out over the bottom rock. It is unsupported and so eventually ______________ into the plunge pool
- 5. Multiple Choice
"Water cuts into the rock and wears it away," This is called...
sediment
deposition
erosion
- 6. Multiple Choice
Which sentence is completely accurate?
Waterfalls occur when soft rock and hard rock and both are eroded quickly
Waterfalls occur where there are layers of hard and soft rock and the soft rock is eroded quicker
- 7. Multiple Choice
What landform can you see in this picture?
Waterfall
V Shaped Valley
Meander
Ox-bow lake
- 8. Multiple Choice
Waterfalls - what is the gap called between the hard and soft rock created by erosion?
Deadman's drop
Hole
Erosional gap
Overhang
- 9. Multiple Choice
Waterfalls are landforms created by....
Erosion
Deposition
- 10. Fill in the Blank
The waterfall retreats (moves back) upstream towards the rivers source over thousands of years leaving behind a steep sided _________
- 11. Multiple Choice
What two inputs do you need for waterfalls to form?
Steep gradient
Bands of hard and soft rock
Fast flowing water
River sediment
- 12. Multiple Choice
In which course of the river would you find a waterfall?
Lower
Upper
Middle
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