EAPS 105: Asynchronous Quiz 8

Quiz 8: Unit 4. Part 5. Question 5. Watch the Unit 4 Part 5 lecture video and answer the following question: Which of the following is not required for a planet to generate a magnetic field (planetary dynamo)? A) An electrical conducting fluid layer B) Convection C) Rapid planet spin D) All the above are required

D) All the above are required

Quiz 8: Unit 4. Part 6. Question 9. Watch the Unit 4 Part 6 lecture video and answer the following question: What material layer powers the magnetic fields of Jupiter and Saturn? A) Liquid iron B) Metallic hydrogen C) Water mixed with ammonia D) Jupiter and Saturn do not have magnetic fields

B) Metallic hydrogen

Quiz 8: Unit 4. Part 4. Question 2. Watch the Unit 4 Part 4 lecture video and answer the following question: What is a consequence of the cooling of the interiors of Mercury and the Moon? A) Volcanism B) Thrust faulting on their surfaces C) Normal faulting on their surfaces D) Subduction zones were generated

B) Thrust faulting on their surfaces

Quiz 8: Unit 4. Part 5. Question 6. Watch the Unit 4 Part 5 lecture video and answer the following question: Which way will the north magnetic side of a compass point to on Earth? A) To the geographic north, since that is where Earth's magnetic north pole resides. B) To the geographic north, since that is where Earth's magnetic south pole resides. C) To the geographic south, since that is where Earth's magnetic north pole resides. D) To the geographic south, since that is where Earth's magnetic south pole resides.

B) To the geographic north, since that is where Earth's magnetic south pole resides.

Quiz 8: Unit 4. Part 6. Question 8. Watch the Unit 4 Part 6 lecture video and answer the following question: Why do Mercury and Venus have weak or no magnetic fields? A) Because they do not have a liquid iron outer core B) Because their outer cores do not experience convection C) Because they have very slow spin rates D) Because they are too close to the Sun's magnetic field

C) Because they have very slow spin rates

Quiz 8: Unit 4. Part 5. Question 7. Watch the Unit 4 Part 5 lecture video and answer the following question: What protects Earth from the charged particles of the solar wind? A) The magnetic field B) The atmosphere C) Both the magnetic field and the atmosphere D) Neither the magnetic field nor the atmosphere

C) Both the magnetic field and the atmosphere

Quiz 8: Unit 4. Part 4. Question 4. Watch the Unit 4 Part 4 lecture video and answer the following question: Which is not a plausible explanation of why Venus does not experience plate tectonics like Earth? A) It is too hot B) It is too dry C) It is smaller than Earth D) All of the above

C) It is smaller than Earth

Quiz 8: Unit 4. Part 4. Question 1. Watch the Unit 4 Part 4 lecture video and answer the following question: Which of the following processes might a single plate planet still experience? A) Mid-ocean ridges B) Subduction zones C) Mantle convection D) A single plate planet will not have any of the above processes

C) Mantle convection

Quiz 8: Unit 4. Part 4. Question 3. Watch the Unit 4 Part 4 lecture video and answer the following question: What is a consequence of the cooling of Pluto's subsurface ocean? A) Volcanism B) Thrust faulting on their surfaces C) Normal faulting on their surfaces D) Subduction zones were generated

C) Normal faulting on their surfaces

Quiz 8: Unit 4. Part 6. Question 10. Watch the Unit 4 Part 6 lecture video and answer the following question: What material layer powers the magnetic fields of Uranus and Neptune? A) Liquid iron B) Metallic hydrogen C) Water mixed with ammonia D) JUranus and Neptune do not have magnetic fields

C) Water mixed with ammonia