ts and Boundaries 165971 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: In a _____ fault, the hanging wall moves down relative to the footwall. Choice Feedback *A. normal That's correct! B. hanging That's not it. There is no such thing as a hanging fault. C. reverse That's not it. In a reverse fault, the hanging wall moves up relative to the footwall. D. transform That's not it. In a transform fault, the plates move past each other horizontally, not vertically. Global Incorrect Feedback The correct answer is: normal. In a normal fault, the hanging wall moves down relative to the footwall. -------------------------------------------------------------------------------- Question 1b of 10 ( 1 Faults and Boundaries 260032 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: In a _____ fault, the hanging wall moves up relative to the footwall. Choice Feedback *A. reverse B. hanging C. normal D. transform Global Incorrect Feedback The correct answer is: reverse. In a reverse fault, the hanging wall moves up relative to the footwall. -------------------------------------------------------------------------------- Question 1c of 10 ( 1 Faults and Boundaries 260033 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: In a _____ fault, the hanging wall moves up relative to the footwall. Choice Feedback *A. thrust B. hanging C. normal D. transform Global Incorrect Feedback The correct answer is: thrust. In a thrust fault, the hanging wall moves up relative to the footwall. -------------------------------------------------------------------------------- Question 2a of 10 ( 2 Faults and Boundaries 165972 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Which type of fault is under tension? Choice Feedback A. Strike-slip That's not it. A strike-slip fault has shearing, not tension. *B. Normal That's correct! C. Reverse That's not it. A reverse fault is under compression. D. Transform That's not it. A transform fault, which is also called a strike-slip fault, has shearing, not tension. Global Incorrect Feedback The correct answer is: Normal. A normal fault is under tension. -------------------------------------------------------------------------------- Question 2b of 10 ( 2 Faults and Boundaries 260034 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Which type of fault is under compression? Choice Feedback A. Strike-slip *B. Reverse C. Normal D. Transform Global Incorrect Feedback The correct answer is: Reverse. A reverse fault is under compression. -------------------------------------------------------------------------------- Question 2c of 10 ( 2 Faults and Boundaries 260035 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Which type of fault is under compression? Choice Feedback A. Strike-slip *B. Thrust C. Normal D. Transform Global Incorrect Feedback The correct answer is: Thrust. A thrust fault is under compression. -------------------------------------------------------------------------------- Question 3a of 10 ( 3 Earth's Mechanical Layers 165973 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Which of Earth's mechanical layers is most easily deformed? Choice Feedback A. Crust That's not it. The crust is hard rock, and does not deform easily. B. Mesosphere That's not it. The mesosphere is the lower mantle. This is mostly hard rock, and does not deform easily. C. Lithosphere That's not it. The lithosphere is hard rock. *D. Asthenosphere That's correct! Global Incorrect Feedback The correct answer is: Asthenosphere. -------------------------------------------------------------------------------- Question 3b of 10 ( 3 Earth's Mechanical Layers 260037 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Which of Earth's mechanical layers contains the seven major plates? Choice Feedback A. Inner core B. Mesosphere C. Asthenosphere *D. Lithosphere Global Incorrect Feedback The correct answer is: Lithosphere. -------------------------------------------------------------------------------- Question 3c of 10 ( 3 Earth's Mechanical Layers 260037 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Which of Earth's mechanical layers contains the seven major plates? Choice Feedback A. Inner core B. Mesosphere C. Asthenosphere *D. Lithosphere Global Incorrect Feedback The correct answer is: Lithosphere. -------------------------------------------------------------------------------- Question 4a of 10 ( 2 Plate Movement 165974 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Subduction occurs ? Choice Feedback *A. where crust is destroyed. That's correct! B. where crust is formed. That's not it. Subduction is where crust is pushed down into the mantle, destroying it, not forming it. C. near transform boundaries. That's not it. Crust is neither created nor destroyed at transform boundaries. D. at normal faults. That's not it. Normal faults generally form at divergent boundaries, where crust is formed. Global Incorrect Feedback The correct answer is: where crust is destroyed. -------------------------------------------------------------------------------- Question 4b of 10 ( 2 Plate Movement 260038 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Which is a place where subduction occurs? Choice Feedback *A. Where two plates collide B. Where two plates split apart C. Transform boundaries D. Normal faults Global Incorrect Feedback The correct answer is: Where two plates collide. -------------------------------------------------------------------------------- Question 4c of 10 ( 2 Plate Movement 260039 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Where is a subduction zone most likely to form? Choice Feedback *A. At a convergent boundary B. At a divergent boundary C. Near a transform boundary D. Near a normal boundary Global Incorrect Feedback The correct answer is: At a convergent boundary -------------------------------------------------------------------------------- Question 5a of 10 ( 2 Faults and Boundaries 165975 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Ocean ridges are formed by _____. Choice Feedback A. subduction zones That's not it. At subduction zones, crust is destroyed. *B. divergent boundaries That's correct! C. convergent boundaries That's not it. Convergent boundaries are subduction zones, where crust is destroyed. D. transform boundaries That's not it. Ocean ridges form at divergent boundaries. Global Incorrect Feedback The correct answer is: divergent boundaries. -------------------------------------------------------------------------------- Question 5b of 10 ( 2 Faults and Boundaries 260040 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Ocean ridges are formed by _____. Choice Feedback A. subduction zones *B. divergent boundaries C. convergent boundaries D. transform boundaries Global Incorrect Feedback The correct answer is: divergent boundaries. -------------------------------------------------------------------------------- Question 5c of 10 ( 2 Faults and Boundaries 260041 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: The Atlantic ocean grows in size due to a _____. Choice Feedback A. thrust boundary *B. divergent boundary C. convergent boundary D. transform boundary Global Incorrect Feedback The correct answer is: divergent boundary. -------------------------------------------------------------------------------- Question 6a of 10 ( 2 Plate Movement 165976 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Which was an idea used to dispute the theory of plate tectonics? Choice Feedback A. Locations of Mesosaurus fossils That's not it. Mesosaurus fossils being on different continents was evidence for plate tectonics. B. Evidence of glaciers in Australia That's not it. Glaciers in Australia showed that Australia used to be in a different location, which is evidence for plate tectonics. C. Seafloor spreading That's not it. Seafloor spreading was evidence for plate tectonics. *D. The existence of land bridges between continents That's correct! Global Incorrect Feedback The correct answer is: The existence of land bridges between continents. -------------------------------------------------------------------------------- Question 6b of 10 ( 2 Plate Movement 260042 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Which was an argument used to dispute the theory of plate tectonics? Choice Feedback A. Mesosaurus fossils are found across long ocean distances. B. Mountain ranges in America and England match up. C. Magnetic striping shows seafloor spreading. *D. Continents cannot cut through the ocean floor. Global Incorrect Feedback The correct answer is: Continents cannot cut through the ocean floor. -------------------------------------------------------------------------------- Question 6c of 10 ( 2 Plate Movement 260043 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Which was an idea used to promote the theory of plate tectonics? Choice Feedback A. The moon's tidal forces are weak. B. Continents cannot cut through the ocean floor. C. The existence of land bridges between continents *D. Mountain ranges linking in England and America Global Incorrect Feedback The correct answer is: Mountain ranges linking in England and America. -------------------------------------------------------------------------------- Question 7a of 10 ( 2 Faults and Boundaries 165977 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: What force is present at a convergent boundary? Choice Feedback A. Tension That's not it. Tension is present at divergent boundaries. B. Torsion That's not it. Torsion is not present at any of the boundaries. *C. Compression That's correct! D. Shearing That's not it. Shearing is present at transform boundaries. Global Incorrect Feedback The correct answer is: Compression. -------------------------------------------------------------------------------- Question 7b of 10 ( 2 Faults and Boundaries 260044 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: What force is present at a divergent boundary? Choice Feedback A. Compression B. Torsion *C. Tension D. Shearing Global Incorrect Feedback The correct answer is: Tension. -------------------------------------------------------------------------------- Question 7c of 10 ( 2 Faults and Boundaries 260045 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: What force is present at a transform boundary? Choice Feedback A. Tension B. Torsion *C. Shearing D. Compression Global Incorrect Feedback The correct answer is: Shearing. -------------------------------------------------------------------------------- Question 8a of 10 ( 2 Earth's Mechanical Layers 260008 ) Maximum Attempts: 1 Question Type: Text Fill In Blank Maximum Score: 5 Is Case Sensitive: false Correct Answer: Asthenosphere Question: What mechanical layer lies below the lithosphere? Attempt Incorrect Feedback 1st Correct Feedback That's correct! Global Incorrect Feedback The correct answer is: Asthenosphere. Below the lithosphere is the asthenosphere. -------------------------------------------------------------------------------- Question 8b of 10 ( 2 Earth's Mechanical Layers 260009 ) Maximum Attempts: 1 Question Type: Text Fill In Blank Maximum Score: 5 Is Case Sensitive: false Correct Answer: Mesosphere Question: What mechanical layer lies above the core? Attempt Incorrect Feedback 1st Correct Feedback That's correct! Global Incorrect Feedback The correct answer is: Mesosphere. Above the core is the mesosphere. -------------------------------------------------------------------------------- Question 8c of 10 ( 2 Earth's Mechanical Layers 260010 ) Maximum Attempts: 1 Question Type: Text Fill In Blank Maximum Score: 5 Is Case Sensitive: false Correct Answer: Lithosphere Question: What mechanical layer sits on top of the asthenosphere? Attempt Incorrect Feedback 1st Correct Feedback That's correct! Global Incorrect Feedback The correct answer is: Lithosphere. Below the lithosphere is the asthenosphere. -------------------------------------------------------------------------------- Question 9a of 10 ( 2 Plate Movement 165979 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: What is thought to be the main driving force behind plate movements? Choice Feedback *A. Slab-pull That's correct! B. Slab-push That's not it. Slab-push is less powerful than slab-pull. C. Hot plumes That's not it. Hot plumes are less powerful than slab-pull. D. Simple convection cycles in the mantle That's not it. Simple convection cycles do not exist in the mantle. The convection in the mantle is very complicated. Global Incorrect Feedback The correct answer is: Slab-pull. -------------------------------------------------------------------------------- Question 9b of 10 ( 2 Plate Movement 260046 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Which theory of plate movement relies on the weight of the subducting crust? Choice Feedback *A. Slab-pull B. Slab-push C. Hot plumes D. Mantle convection Global Incorrect Feedback The correct answer is: Slab-pull. -------------------------------------------------------------------------------- Question 9c of 10 ( 2 Plate Movement 260047 ) Maximum Attempts: 1 Question Type: Multiple Choice Maximum Score: 5 Question: Which theory of plate movement involves magma rising all the way from the lower mantle to spread apart plates? Choice Feedback *A. Hot plumes B. Slab-push C. Slab-pull D. Convection current model Global Incorrect Feedback The correct answer is: Hot plumes. -------------------------------------------------------------------------------- Question 10a of 10 ( 2 Faults and Boundaries 338163 ) Maximum Attempts: 1 Question Type: Matching II Maximum Score: 5 Question: Match the type of boundary with its characteristic. Choice Text Correct Match Match Text A. Convergent B. Tension B. Divergent A. Near subduction zones C. Transform C. Shearing Attempt Incorrect Feedback 1st That's not it. Convergent and divergent boundaries are opposites. Correct Feedback That's correct! Global Incorrect Feedback The correct answers are: Convergent = Near subduction zones Divergent = Tension Transform = Shearing Divergent boundaries are formed when plates are pulling apart; this kind of force is called tension. The opposite boundary is a convergent boundary, where two plates collide; this happens near subduction zones. The force present in a transform boundary is shearing, which is when two things grind past each other. -------------------------------------------------------------------------------- Question 10b of 10 ( 2 Faults and Boundaries 338164 ) Maximum Attempts: 1 Question Type: Matching II Maximum Score: 5 Question: Match the type of boundary with its characteristic. Choice Text Correct Match Match Text A. Convergent B. Along ocean ridges B. Divergent A. Compression C. Transform C. Along strike-slip faults Attempt Incorrect Feedback 1st Correct Feedback That's correct! Global Incorrect Feedback The correct answers are: Convergent: Compression Divergent: Along ocean ridges Transform: Along strike-slip faults Divergent boundaries are formed when plates are pulling apart, such as at ocean ridges; this kind of force is called tension. The opposite boundary is a convergent boundary, where two plates collide in compression; this happens near subduction zones. The force present in a transform boundary is shearing, which is when two things grind past each other, creating a strike-slip fault. -------------------------------------------------------------------------------- Question 10c of 10 ( 2 Faults and Boundaries 338165 ) Maximum Attempts: 1 Question Type: Matching II Maximum Score: 5 Question: Match the type of boundary with its characteristic. Choice Text Correct Match Match Text A. Convergent B. Crust is created. B. Divergent A. Crust is destroyed. C. Transform C. Crust is neither created nor destroyed. Attempt Incorrect Feedback 1st Correct Feedback That's correct! Global Incorrect Feedback The correct answers are: Convergent: Crust is destroyed. Divergent: Crust is created. Transform: Crust is neither created nor destroyed. Divergent boundaries are formed when plates are pulling apart, creating new crust. The opposite boundary is a convergent boundary; this happens near subduction zones, where crust is destroyed. In a transform boundary, two plates grind past each other, neither creating nor destroying crust. --------------------------------------------------------------------------------