Weathering Review
Name ______________________________ Pd. _________
Fill in the blanks in the table below. (2 pts.)
Agent
1. ice wedging
2. abrasion
Water
Plant growth
5. acid rain
6. oxidation
Animal action
Carbon dioxide
Living organisms
10.pressure
release/temperature
change
3.
4.
7.
8.
9.
Type
Mechanical
Mechanical
chemical
mechanical
Chemical
Chemical
mechanical
chemical
chemical
Mechanical
Description
Freezing and thawing in cracks
Grinding of rock particles carried by water, ice, wind
Eventually dissolves the rock
Breaks rocks because of growing roots
Dissolves rock very quickly
Causes some rocks to turn red
Digging breaks apart rock
Dissolves limestone and marble
Produces weak acids to dissolve rock
Sun or forest fire causes rock to crack
Answer the following questions with complete sentences (4 pts.)
11. How does erosion differ from weathering?
Erosion is the carrying away of rocks and sediment and weathering is the breaking down of rock.
12. What 2 factors determine the rate of weathering?
Type of rock and climate affects rate of weathering.
Building Vocabulary (2 pts.)
___a____ 13. The movement of rock particles by wind, water, ice, or gravity.
a. erosion
b. ice wedging
c. weathering
d. abrasion
___b____ 14. A rock that has spaces that allow water to seep through it is called
a. porous.
b. permeable.
b. c. spacious.
d. latticed.
___d____ 15. The process that breaks down rock and other materials at Earth’s surface is
called
a. erosion.
b. physical weathering.
c. chemical weathering.
d. weathering.
___a____ 16. The grinding away of rock by other rock particles is called
a. abrasion.
b. ice wedging.
c. erosion.
d. weathering.
___a____ 17. The process by which ice widens and deepens cracks in rocks is called
a. ice wedging.
b. abrasion.
c. freezing.
d. weathering.
____c___ 18. The type of weathering in which rock is physically broken into smaller pieces is
called
a. abrasion.
b. chemical weathering.
c. mechanical weathering.
d. ice wedging.
____a___ 19. The process that breaks down rock through chemical changes is called
a. chemical weathering.
b. weathering.
c. mechanical weathering.
d. acid weathering.
___a____ 20. Weathering occurs fastest in rocks that are found in
a. hot, wet climates.
b. cold, wet climates.
c. cold, dry climates.
d. hot, dry climates.