Exam 3 -- Page 1 of 7
18 April, 2003 Exam #3 – Take Home Name_________ ___________________
EPS 101 How the Earth Works,
Spring 2003; Adrian Brearley Soc.Sec. #________________________
Multiple Choice Questions (3 points each). Choose one answer for each question.
1. Which of the following lists is written in order of increasing temperature?
A) sedimentation, metamorphism, lithification
B) sedimentation, lithification, metamorphism
C) lithification, sedimentation, metamorphism
D) metamorphism, lithification, sedimentation
2. Which of the following types of currents can transport sand grains?
A) rivers
B) wind
C) ocean waves
D) all of these
3. Which of the following features of sand grains can be used to indicate how far they have been transported
before deposition?
A) size
B) color
C) degree of roundness
D) the make of sunglasses they are wearing
4. Most shells of marine organisms are composed of __________.
A) silica
B) calcium carbonate
C) calcium phosphate
D) calcium sulfate
5. In what kind of sedimentary rock would you expect to find the mineral halite?
A) chert
B) evaporite
C) limestone
D) conglomerate
6. In which of the following sedimentary environments would you be most likely to form limestone?
A) lake
B) lagoon
C) desert
D) river delta
7. Which of the following types of sedimentary rocks is not a chemical sediment?
A) limestone
B) evaporite
C) sandstone
D) chert
8. Which of the following statements best describes cross bedding?
A) a sedimentary structure produced by a river crossing a lake
B) a sedimentary structure produced when a current progressively looses speed and deposits
sediments of different sizes
C) layers of sediment that are deposited at an angle to the horizontal, such as in sand bars in rivers or
in sand dunes
D) none of the above
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