Lesson
Post-test
Answer these multiple choice questions to the best of your abilities using your knowledge from the lessons and activities that we have completed. Select the best answer to each question from what you know now. If you are not sure about an answer, make your best educated guess.
1. What type of rock can
be made from the binding together and cementing of sediments over time?
a.
igneous rock
b. sedimentary rock
c. lava rock
d. molten rock
2. What are most clastic
sediments composed of?
a.
fossil matter
b. calcium carbonate
c. fragments of existing rocks
d. minerals precipitated from decaying organisms
3. What are most organic
sediments composed of?
a.
calcium carbonate
b. fragments of existing rocks
c. leaves and parts of plants
d. sodium nitrate
4. An example of a clastic
sediment is:
a.
limestone
b. waxstone
c. paxstone
d. sandstone
5. An example of an organic
sediment is:
a.
flintstone
b. conglomerate
c. boundstone
d. siltstone
6. What are layers of sediments
called?
a.
data
b. strata
c. stripes
d.
rock
7. Which of these ideas
is a part of the fundamental "rule" of stratigraphy?
a.
in undisturbed layers of sediments, the youngest will be at the top
b. in undisturbed layers of sediments, the oldest will be at the top.
c. in sedimentary rock,
the thickest layer is the oldest.
d.
in a sediment, the thinnest layer is the oldest.
8. What can we learn from
sedimentary rock?
a. geographic history.
b. geologic history.
c. geneologic history.
d. genetic history
9. The concept that the
oldest layer of a sediment would be at the bottom of a sequence is:
a. the fundamental
"rule" of cartography
b. the fundamental "rule" of geography
c. the Principle of Superstition
d.
the Principle of Superposition
10. What is used to collect
sediment core samples?
a.
drills
b. bulldozers
c. shovels
d.
nets
11. Which step is a part
of preparing a core sample for scientific analysis?
a.
Grinding up the whole core for microscopic analysis.
b. Splitting the whole core into smaller sections that are easier to examine.
c. Coating the core
with nitric acid.
d.
Storing the core in a heated vault.
12. Which country stores
sediment core samples described in this unit?
a.
Russia
b. France
c. United States
d.
China
Use the following
illustration to answer questions 13 and 14:
13. Which layer
of this core sample is the oldest?
a.
A
b. B
c. C
d. D
14. The darkest
layers of this core sample represent glacial periods. The lightest layers
reveal interglacial periods. Which layer is evidence of an extended glacial
period?
a. A
b. B
c. C
d. D
