SCIN 138 Final Exam Questions and Answers (100% GRADED)

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 accepted by the scientific community  E. an educated guess ; a tentative untested explanation Feedback: 01.1 Question 2 of 50 2.0/ 2.0 Points In the rock cycle, what processes directly link igneous rocks to metamorphic rocks?  A. compaction and cementation  B. deposition and lithification  C. melting and crystallization  D. recrystallization by high heat and pressure  E. weathering and erosion Question 3 of 50 2.0/ 2.0 Points Scientific conclusions are based on SCIN 138  A. public consensus  B. only quantitative data  C. subjective evidence and ancient books  D. objective evidence and experiments  E. polling of experts Feedback: 01.2 Question 4 of 50 2.0/ 2.0 Points The primary basis for classifying detrital (clastic) rocks is _______, whereas the primary basis for classifying chemical rocks is ________.  A. sorting ; density  B. crystalline structure ; sorting  C. particle size ; mineral composition  D. rock type ; rounding  E. particle shape ; trace elements Question 5 of 50 2.0/ 2.0 Points Folds like anticlines and synclines are most associated with _______.  A. Volcanism  B. Tectonic compression  C. Erosion  D. Tectonic extension  E. Tectonic shear Question 6 of 50 2.0/ 2.0 Points Where would you expect both shallow and deep earthquakes in which the deeper earthquakes are located farther inland?  A. At a transform boundary along the San Andreas fault in California.  B. At a divergent plate boundary in the middle of a continental plate such as Africa’s Great Rift Valley.  C. At a divergent plate boundary in the middle of the Atlantic Ocean.  D. At a convergent plate boundary such as along the west coast of South America.  E. At a transform plate boundary anywhere in the world. Question 7 of 50 2.0/ 2.0 Points Pyroclastic flows are more associated with __________.  A. stratovolcanoes  B. flood basalts  C. shield volcanoes  D. cinder cones  E. ocean hot spots Question 8 of 50 2.0/ 2.0 Points The map below shows continental land as green and brown, the depth of the ocean floor in blue, and tectonic plate boundaries as colored lines. Evaluate this geologic evidence to determine which location would most likely require adequate tsunami preparedness.  A. D  B. A  C. B  D. C Question 9 of 50 2.0/ 2.0 Points Shield volcanoes consist of _________.  A. A combination of granitic lava and pyroclastic material with some rhyolite.  B. Alternating layers of cinders and ash embedded in silica-rich lava flows.  C. Explosive pyroclastic material and low viscosity lava flows.  D. Mostly low viscosity basalt flows with a lower silica content.  E. Alternating layers of silica-rich rocks and intrusive igneous rocks such as basalt.