Scin 138 - Study guides, Class notes & Summaries

SCIN 138 WEEK 6 EXAM PART 1 GRADED A+ (LATEST )

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 explan...

SCIN 138 Week 8 Final Exam 2023 | SCIN 138 INTRODUCTION TO PHYSICAL GEOLOGY. A coarse-grained (phaneritic texture) igneous rock formed _________________.  A. on the surface of the earth in a quiet (effusive) eruption  B. by immense direct pressure and heat  C. due to erosion, frost wedging, and weathering  D. on the surface of the earth in an explosive eruption  E. deep under the surface of the earth Question 5 of 50 2.0/ 2.0 Points Where is the top of the asthenosphe...

SCIN 138 Week 8 Timed Single Access 2023 | SCIN 138 INTRODUCTION TO PHYSICAL GEOLOGY. 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. rock type ; rounding  D. particle size ; mineral composition  E. particle shape ; trace elements Question 4 of 50 2.0/ 2.0 Points Pyroclastic flows are more associated with _________...

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 Timed Single Access 2023. SCIN 138 INTRODUCTION TO PHYSICAL GEOLOGY. 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. rock type ; rounding  D. particle size ; mineral composition  E. particle shape ; trace elements Question 4 of 50 2.0/ 2.0 Points Pyroclastic flows are more associated with __________...

SCIN 138 Week 8 Timed Single Access 2023. Where is the top of the asthenosphere closest to the earth’s surface?  A. In the center of continental plates (craton)  B. Underneath a collision zone  C. Next to a subduction zone  D. Underneath a transform fault  E. Underneath a mid-ocean ridge Question 2 of 50 2.0/ 2.0 Points When going from a magnitude 5 to a magnitude 6 earthquake on the Richter magnitude scale, what is the increase in seismic wave amplitude?  A. ...

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. ...