Week 8 Final Exam (timed and single access)
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Part 1 of 4 - 48.0/ 52.0 Points
Question 1 of 50
2..0 Points
A coarse-grained (phaneritic texture) igneous rock formed .
•
A. due to erosion, frost wedging, and weathering
•
B. on the surface of the earth in an explosive eruption
•
C. on the surface of the earth in a quiet (effusive) eruption
•
D. by immense direct pressure and heat
•
E. deep under the surface of the earth
Question 2 of 50
2..0 Points
The Precambrian Era is the time before abundant multicellular life with hard parts evolved. This time
interval represents what percentage of earth’s history?
•
A. 1%
•
B. 99%
, •
C. 88%
•
D. 50%
•
E. 12%
Question 3 of 50
2..0 Points
What evidence did Alfred Wegener use for his hypothesis of continental drift?
•
A. trenches and subduction zones
•
B. similar rocks and fossils on distant continents
•
C. mid-oceanic ridges and the age marine rocks
•
D. paleomagnetic patterns on either side of the mid-oceanic ridge
•
E. earthquake patterns and GPS measurements
Question 4 of 50
2..0 Points
Scientific conclusions are based on .
, •
A. public consensus
•
B. subjective evidence and ancient books
•
C. polling of experts
•
D. only quantitative data
•
E. objective evidence and experiments
Feedback:01.2
Question 5 of 50
2..0 Points
In terms of groundwater resources, what properties make the best aquifer?
•
A. Low porosity and low permeability
•
B. Low porosity and high permeability
•
C. High porosity and high permeability
•
D. High porosity and low permeability
, •
E. High porosity and no permeability
Question 6 of 50
2..0 Points
Folds like anticlines and synclines are most associated with .
•
A. Tectonic shear
•
B. Erosion
•
C. Tectonic compression
•
D. Volcanism
•
E. Tectonic extension
Question 7 of 50
2..0 Points
When the radiometric clock starts ticking in zircon minerals, there is only 100% of the unstable radiometric
parent isotope X and 0% of the stable daughter isotope Y. After testing in a lab millions of years later, there
is 25% of the parent radiometric isotope and 75% of the daughter isotope. How many half lives have
elapsed?
•
A. 3
•
Return to Assessment List
Part 1 of 4 - 48.0/ 52.0 Points
Question 1 of 50
2..0 Points
A coarse-grained (phaneritic texture) igneous rock formed .
•
A. due to erosion, frost wedging, and weathering
•
B. on the surface of the earth in an explosive eruption
•
C. on the surface of the earth in a quiet (effusive) eruption
•
D. by immense direct pressure and heat
•
E. deep under the surface of the earth
Question 2 of 50
2..0 Points
The Precambrian Era is the time before abundant multicellular life with hard parts evolved. This time
interval represents what percentage of earth’s history?
•
A. 1%
•
B. 99%
, •
C. 88%
•
D. 50%
•
E. 12%
Question 3 of 50
2..0 Points
What evidence did Alfred Wegener use for his hypothesis of continental drift?
•
A. trenches and subduction zones
•
B. similar rocks and fossils on distant continents
•
C. mid-oceanic ridges and the age marine rocks
•
D. paleomagnetic patterns on either side of the mid-oceanic ridge
•
E. earthquake patterns and GPS measurements
Question 4 of 50
2..0 Points
Scientific conclusions are based on .
, •
A. public consensus
•
B. subjective evidence and ancient books
•
C. polling of experts
•
D. only quantitative data
•
E. objective evidence and experiments
Feedback:01.2
Question 5 of 50
2..0 Points
In terms of groundwater resources, what properties make the best aquifer?
•
A. Low porosity and low permeability
•
B. Low porosity and high permeability
•
C. High porosity and high permeability
•
D. High porosity and low permeability
, •
E. High porosity and no permeability
Question 6 of 50
2..0 Points
Folds like anticlines and synclines are most associated with .
•
A. Tectonic shear
•
B. Erosion
•
C. Tectonic compression
•
D. Volcanism
•
E. Tectonic extension
Question 7 of 50
2..0 Points
When the radiometric clock starts ticking in zircon minerals, there is only 100% of the unstable radiometric
parent isotope X and 0% of the stable daughter isotope Y. After testing in a lab millions of years later, there
is 25% of the parent radiometric isotope and 75% of the daughter isotope. How many half lives have
elapsed?
•
A. 3
•
