SCIN 138 LAB 7
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Question 1 of 33 3.03/ 3.0303 Points Questions 1 through 5 are based on Lab Exercise #1: Grain Analysis.
1. Bag A contains A.well-sorted sand. B.clay.
Correct C.a moderately sorted mix of sand and silt. D.a poorly sorted mix of gravel and sand.
Answer Key: C Feedback: The correct answer is C. a moderately sorted mix of sand and silt.
Question 2 of 33 3.03/ 3.0303 Points
Bag B contains
Correct A.well-sorted sand. B.clay. C.a poorly sorted mix of sand and silt D.a poorly sorted mix of gravel and sand.
Answer Key: A Feedback: The correct answer is A. well-sorted sand.
Question 3 of 33 3.03/ 3.0303 Points
Bag C contains A.well-sorted clay. …show more content…
B.chalk. C.sandstone.
Correct D.chert.
Answer Key: D Feedback: The correct answer is D. chert.
Question 21 of 33 3.03/ 3.0303 Points
__________ gives quartz sandstone its color. A.The mineral content of its clasts
Correct B.The mineral content of its cement C.Fossils D.Plant remains
Answer Key: B Feedback: The correct answer is B. The mineral content of its cement
Question 22 of 33 3.03/ 3.0303 Points
The most common chemical sedimentary rocks are largely composed of what type of mineral?
Correct A.calcite and silica B.gypsum and halite C.borax and gypsum D.quartz and borax
Answer Key: A Feedback: The correct answer is A. calcite and silica
Question 23 of 33 3.03/ 3.0303 Points
The process that breaks rock down into particles or its chemical components is called A.compaction. B.cementation.
Correct C.weathering. D.lithification.
Answer Key: C Feedback: The correct answer is C. weathering.
Question 24 of 33 3.03/ 3.0303 Points
The process by which soluble minerals are dissolved by water is called A.mechanical weathering.
Correct B.chemical weathering. C.precipitation D.lithificati
Answer Key: B Feedback: The correct answer is B. chemical weathering.
Question 25 of 33 3.03/ 3.0303 Points
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