Name___________ #___
Slow Changes on Earth
Directions: Choose the best answer and circle the letter
next to it.
1. Rock
a.
b.
c.
d.
is broken down and moved during the processes of
erosion and deposition
physical weathering and chemical weathering
weathering and deposition
weathering and erosion
2. Freezing, thawing, and abrasion are types of
a. erosion
b. physical weathering
c. deposition
d. chemical weathering
3. When rivers reach flat land, they slow,
a become wider and flow straighter.
b. become narrower, and develop curves.
c. become wider, and develop curves.
d. become narrower, and flow straighter.
4. What causes gradual changes in a statue exposed to acid
rain?
a. abrasion
b. chemical weathering
c. deposition
d. physical weathering
5. Which is an example of chemical weathering?
a. Carbonic acid reacts with limestone.
b. Sand wears away the edges of rocks.
c. Sediment is deposited at the mouth of a river.
d. Waves crash on a shore.
6. Deposition occurs when
a. bits of sand, soil, and rock are carried away by
wind or water.
b. bits of sand, soil, and rack are deposited by wind
or water.
c. sand blasts away the sharp edges of a rock.
d. water reacts with the minerals in a rock.
7. Sediment that collects near the mouth of a river forms
an area of land called a
a. canyon
b. sand dune
c. delta
d. plain
8. Sand dunes are formed by
a. chemical weathering
c. exfoliation
b. waves
d. wind
9. A deep, narrow valley with steep sides is known as a
a. canyon
b. sand dune
c. glacier
d. U-shaped valley
10. The breaking down of rocks is called
a. deposition
b. thawing
c. formation
d. weathering
11. A large, thick sheet of ice that slowly creeps across
land is a
a. canyon
b. glacier
c. delta
d. horizon
12. Exfoliation is an example of
a. chemical weathering
c. deposition
b. physical weathering
d. weathering
13. The carrying away of weathered rocks is called
a. contour plowing
b. erosion
c. deposition
d. weathering
14. Natural features on Earth’s surface are called
a. humus
b. landforms
c. minerals
d. sediments
15. Which statement is true?
a. A glacier widens, deepens, and straightens a valley
into a U shape.
b. Abrasion causes the outer layers of rock to peel
off like the layers
of an onion
c. Humus in soil is formed from weathered rock and
minerals.
d. Soil can be conserved by removing all plants from
its surface.