Scin 138 week 5 exam Study guides, Class notes & Summaries

SCIN 138 Week 8 Final Exam 2023 | SCIN 138 INTRODUCTION TO PHYSICAL GEOLOGY. In the rock cycle, what processes directly link igneous rocks to metamorphic rocks?  A. recrystallization by high heat and pressure  B. compaction and cementation  C. deposition and lithification  D. melting and crystallization  E. weathering and erosion Question 4 of 50 2.0/ 2.0 Points A coarse-grained (phaneritic texture) igneous rock formed _________________.  A. on the surface of the...

SCIN 138 Week 8 Final Exam 2023. SCIN 138 INTRODUCTION TO PHYSICAL GEOLOGY. Which of the following surficial processes results in the most poorly sorted sediments?  A. rivers  B. glaciers  C. ocean waves  D. deep marine  E. wind Question 2 of 50 2.0/ 2.0 Points What information is needed to determine the distance from the epicenter of an earthquake to a seismic receiving station?  A. The amplitude of the seismic waves on a seismogram  B. The magnitude of th...

SCIN 138 Week 8 Final Exam (Timed and Single Access) Exam Questions and Answers 2023. In the scientific method, a hypothesis is _______, and a theory is _________.  A. an objective observation ; an idea that hasn’t been proven  B. a tentative untested explanation ; well tested and widely accepted explanation  C. a tentative untested explanation ; a law that has been universally accepted by the scientific community  D. an educated guess ; a law that has been universally accepte...

SCIN 138 Week 4 Exam Part 1 of 3 - 20.0/ 20.0 Points Question 1 of 25 4.0 / 4.0 Points Which of the characteristics of sedimentary rocks deals with the grains being the same size? • A. roundness • B. cementation • C. porosity • D. sorting Question 2 of 25 4.0 / 4.0 Points If a sedimentary rock is found to have grains of different shapes and sizes it is said to be what? • A. well sorted • B. poorly cemented • C. poorly sorted • D. permeable Question 3 of 25 4.0/ 4.0 Points What is...

SCIN 138 Week 8 Final Exam- Questions and Answers NEW 2021 V2 | American Public University-Geologic folding where large areas of the crust are warped upwards, create formations such as the figure below, known as . A.domes B.basins C.thrust faults D.grabens E.scarps Answer Key: A Feedback: Sometimes a large area of crust undergoes upwarping or downwarping, which forms broad, gentle folds. Upwarping of strata forms domes, while downwarping forms large, bowl-like basins. Q...

SCIN 138 Week 8 Final Exam 2023 (Timed and Single Access) Which of the following is the most significant natural cause of climate change in the last 2 million years?  A. Milankovitch cycles  B. Burning of fossil fuels  C. Solar flares  D. Photosynthesis  E. Volcanic eruptions Question 3 of 50 2.0/ 2.0 Points Scientific conclusions are based on _____________.  A. only quantitative data  B. objective evidence and experiments  C. public consensus  D. ...

SCIN 138 Week 8 Final Exam (timed and single access) Questions and Answers 2023. Where do we generally find the most quantity of explosive volcanic eruptions?  A. Transform plate boundary  B. Ocean island hotspots  C. Subduction zone boundary  D. Mid-oceanic ridges  E. Divergent plate boundary Question 4 of 50 2.0/ 2.0 Points The number one factor causing landslides is (are) _____.  A. freeze-thaw cycles  B. precipitation  C. volcanic eruptions  D....

SCIN 138 Week 5 Exam Part 1 of 3 - 44.0/ 52.0 Points Question 1 of 25 4.0 / 4.0 Points What is the texture of this metamorphic rock? • A. fissile • B. phaneritic • C. foliated • D. nonfissile • E. nonfoliated Question 2 of 25 0.0 / 4.0 Points Heat promotes recrystallization by • A. increasing atomic vibration • B. stripping away valence electrons • C. separating ultramafic elements from mafic ones • D. causing minerals to melt Feedback: heat causes atoms to vibrate more vigorou...

SCIN 138 WEEK 5 EXAM QUESTIONS WITH 100% CORRECT ANSWERS