Phsc 211 chapter 1 quiz 1 Study guides, Class notes & Summaries

PHSC 211 Chapter 6 Quiz (Fall 2020) – Liberty University (A grade) 10. After 3 half-lives, how much of a radioactive material should still be present? a. 87% b. 75% c. 25% d. 13% ans d 11. How many half-lives have passed if a sample has 87.5% of its original radioactive material? a. 0.25 b. 0.5 c. 1 d. 2 ans a Chapter 6 12. How many half-lives have passed if a sample has 50% of its original radioactive material? a. 0.25 b. 0.5 c. 1 d. 2 ans c 13. How many half-lives...

PHSC 211 Chapter 3 Quiz (Fall 2020) 1. Bag A contains a. well-sorted sand. b. clay. c. a moderately sorted mix of sand and silt. d. a poorly sorted mix of gravel and sand. ans c 2. Bag B contains a. well-sorted sand. b. clay. c. a poorly sorted mix of sand and silt. d. a poorly sorted mix of gravel and sand. ans a 3. Bag C contains a. well-sorted clay. b. well-sorted gravel (with some sand from transport). c. poorly sorted sand (with some silt from transport). d. a poorly sort...

PHSC 211 Chapter 2 Quiz (Fall 2021)– Liberty University (A grade) 1. What mineral composition is most characteristic of felsic rocks? a. olivine, pyroxene, and calcium-rich plagioclase b. orthoclase, quartz, and biotite c. calcium-rich plagioclase and hornblende with some olivine d. particles of volcanic ash welded together 2. What mineral composition is most characteristic of mafic rocks? a. olivine, pyroxene, and calcium-rich plagioclase b. orthoclase, quartz, and biotite c. sodium-rich plag...

PHSC 211 Chapter 16 Quiz (Fall 2020)– Liberty University (A grade) 1. Record your answer from Lab Exercise 1, Problem 1 (a, b, c, or d): __A____. 2. Record your answer from Lab Exercise 1, Problem 2 (a, b, c, or d): _C____. 3. Record your answer from Lab Exercise 1, Problem 3 (a, b, c, or d): B 4. Record your answer from Lab Exercise 1, Problem 4 (a, b, c, or d): _C__. 5. Record your answer from Lab Exercise 1, Problem 5 (a, b, c, or d): _D A Northern Hemisphere station between hig...

PHSC 211 Chapter 4 Quiz (Fall 2020)– Liberty University (A grade) Questions 1 through 23 are based on the Lab Exercise: Identification of Metamorphic Rocks. Refer to your results from the lab exercise and the Overview to assist you in answering the questions. 1. Specimen #18 formed under which metamorphic conditions? a. contact metamorphism b. low-grade metamorphic conditions c. intermediate-grade metamorphic conditions d. high-grade metamorphic conditions 2. What property is diagno...

PHSC 211 Chapter 6 Quiz | questions and answers, graded A+ A geologist observes two sandstones on opposite sides of a mountain belt. He notes that both are made of quartz with a small amount of mica, and both show cross-bedding. His conclusion that these are the same rocks is an example of _____________ correlation. physical When working among a group of bore holes drilled while searching for oil, a paleontologist discoverers a species of foram (single-celled, shelled ocean creatures) i...

1. A geologist observes two sandstones on opposite sides of a mountain belt. He notes that both are made of quartz with a small amount of mica, and both show cross-bedding. His conclusion that these are the same rocks is an example of Physical correlation. 2. When working among a group of bore holes drilled while searching for oil, a paleontologist discoverers a species of foram (single-celled, shelled ocean creatures) in rocks from each bore hole. Though the first is found in a shale, and the ...

Chapter 1 Quiz 1. All the following properties of minerals are used for identification except ____________. a. streak b. luster c. hardness d. melting point 2. Quartz can scratch all of the following except ____________. a. glass b. calcite c. topaz d. nail 3. A naturally occurring inorganic substance with a definite chemical composition is a ____________. a. rock b. mineral c. table salt d. charcoal 4. Having 3 planes of cleavage is an identifying property of which mineral(s)? a. Galena b. Cal...