Earth System - Rivers

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Date:
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Rivers Quiz
1. If you were looking for the source of a river
system, where might you go?
6. What is one major difference between young
streams and mature streams?
a.
b.
c.
d.
a. Mature streams tend to have slower currents
b. Mature streams tend to be longer
c. Mature streams tend to contain salt water instead of
fresh water
d. Mature streams tend to travel through valleys with
steep sides
7. Which of the following would you expect to see
on a floodplain?
2. Tim says that most river systems start out in
"crevices." Which term accurately describes
crevices?
a. Narrow
b. Deep
c. Straight
d. Sandy
3. Place the following in order, from smallest to
largest: A) River; B) Stream; C) Creek
a. C, B, A
b. B, C, A
c. C, A, B
d. B, A, C
4. If you see a waterfall, what can you infer about
the stream that feeds it?
a. It's relatively long
b. It's relatively short
c. It's relatively old
d. It's relatively young
5. In the movie, Tim says that rivers erode rocks.
What does this mean?
a. Rivers carry rocks to the ocean
b. Rivers wear rocks away
c. Rivers cover rocks up as they grow deeper
d. Rivers gradually sharpen rocks
a.
b.
c.
d.
8. How does agriculture depend on river systems?
a. Rivers carry seeds downstream, fertilizing farmers'
fields
b. Without rivers, farmers could not transport their
goods
c. Rivers irrigate virtually all farmland
d. Many farm animals only drink river water
9. Which term most accurately describes the way
in which rivers change landscapes?
a. Suddenly
b. Superficially
c. Gradually
d. Chemically
10. Where do the vast majority of rivers end?
a. Oceans
b. Lakes
c. Deserts
d. Mountains