
River Course Dynamics and Friction

Interactive Video
•
Geography
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the hypothesis being tested in the geographical inquiry?
Velocity increases as you move downstream.
Velocity remains constant throughout the river.
Velocity decreases as you move downstream.
Velocity is unaffected by the river's course.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might one initially think that velocity decreases downstream?
Because the river becomes narrower.
Because the slope becomes steeper.
Because the slope becomes gentler.
Because the river becomes shallower.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the analogy of a truck relate to the upper course of a river?
It shows the rapid flow of water.
It depicts the smooth and fast movement of water.
It represents the streamlined flow of water.
It illustrates the high friction due to angular bedload.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the sports car analogy represent in the context of river courses?
The upper course with high friction.
The middle course with moderate friction.
The entire river with uniform friction.
The lower course with reduced friction.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for the process that makes bedload smaller and more rounded?
Erosion
Attrition
Sedimentation
Deposition
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does attrition affect the velocity of a river?
It has no effect on velocity.
It decreases friction, increasing velocity.
It causes the river to change direction.
It increases friction, reducing velocity.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main cause of friction in the upper course of a river?
Smooth, rounded bedload
Large, angular bedload
Narrow riverbanks
Deep river channels
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