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- 1. Multiple ChoiceWhat is the equivalence principle?gravity and acceleration are the same thingconstant speed and at rest are the same thinggravity is curvature of spacegravity and constant velocity are the same thing
- 2. Multiple ChoiceAccording to Newton, gravity was a force.... According to Einstein, gravity is a ________.forcecurvaturemysteryconstant velocity
- 3. Multiple ChoiceWhat does gravity do to time?speeds it upslows it downnothing
- 4. Multiple ChoiceWhich of these provides the best analogy for what massive objects do to spacetime?coat hanger in the closetbowling ball on a rubber sheetcar driving in a circletennis ball in the dryer
- 5. Multiple ChoiceWhat year did Einstein complete General Relativity?1905191619221919
- 6. Multiple ChoiceDuring what rare event was Relativity confirmed?Total Solar EclipseTotal Lundar EclipseSummer SolsticeHalley's Comet
- 7. Multiple ChoiceAt rest on the Earth would feel exactly like ______________.Being on a rocket in space moving at a constant velocity.Being on a rocket in space accelerating upwards at 9.8 m/s2Being on a rocket in space that is at rest.Being at rest on Jupiter
- 8. Multiple ChoiceDoes a beam of light 'fall' if it is moving through a gravitational field?YesNo
- 9. Multiple ChoiceThe 'point of no return' for a black hole is called....singularityevent horizonjetsaccretion disk
- 10. Multiple ChoiceWhere does all the mass that create a black hole go?event horizonsingularityaccretion diskjet
- 11. Multiple ChoiceWhat is gravitational lensing?slowing down of time around a black holelight bending around a massive objectlight moving in a straight line around a massive objectlight bending as it goes from one medium to another
- 12. Multiple ChoiceWhen did we first detect gravitational waves?1916190520161972
- 13. Multiple ChoiceWhat is at the center of most (maybe all) galaxies?Stellar mass black holeSupermassive black holeQuasarNeutron Star
- 14. Multiple ChoiceWhich would not typically be found around black hole?Accretion diskJetWormholeOrbiting companion star
- 15. Multiple ChoiceHow much is space time curved at a black hole?infinitelyfinitely
- 16. Multiple ChoiceAccording to Einstein, why do objects accelerate around massive bodies?a force is pulling themspace is pushing themthey don't
- 17. Multiple ChoiceFinish this phrase "Matter tells spacetime how to curve, spacetime tells matter how to ______"movecollapseexpandrest
- 18. Multiple ChoiceDescribe the escape velocity of a black hole?slower than the speed of lightunknownfaster than the speed of light
- 19. Multiple ChoiceWhat would happen to Earth's orbit if the Sun collapsed to a black hole?it would get sucked into itit would get flung out of its orbitnothingit would explode
- 20. Multiple ChoiceHow fast does gravity travel?gravity does not have a speed, it is instantaneousat the speed of lightslower than the speed of light
- 21. Multiple ChoiceIf the Sun all of the sudden vanished/disappeared how long would it take for the Earth's orbit to be affected by this?instantaneously8 minutes3 ly
- 22. Multiple ChoiceWhat happened during the eclipse experiment?the position of stars behind the sun moved outwardthe position of stars behind the sun moved inwardthe position of stars behind the sun remained unchangednew stars that were never seen before appeared.
- 23. Multiple ChoiceWhich theory explains the geometric description of gravity as a curvature of spacetime around massive bodies?Theory of Special RelativityLaw of Universal GravitationTheory of General RelativityPhotoelectric Theory
- 24. Multiple ChoiceIf you were out in space and wanted to simulate the feeling of Earth's gravity, what would be the best way to do it?Accelerate upwards at 9.8 m/s2Travel at a constant velocityTravel at the escape velocity of Earthgo in orbit around a large star
- 25. Multiple ChoiceWhich two situations would feel exactly the same?Accelerating upward on an elevator on Earth; Being at rest in the middle of outer spaceAt rest on the surface of the Earth; in orbit around the Earth on the Space StationFree Falling elevator on Earth; in orbit around the Earth on the Space Station
- 26. Multiple ChoiceYou are watching yourself fall into a black hole. What happens?Gravitational collapseSpaghettificationLength ContractionTime Dilation
- 27. Multiple ChoiceSomeone safely orbiting a black hole is watching you fall into a black hole, what do they see?Time DilationSpaghettificationLength ContractionGravitational collapse
- 28. Multiple Choiceis it possible to orbit a black hole?YesNo
- 29. Multiple ChoiceWhen scientists are looking for black holes they look for large sources of what type of light that is emitted from the area surrounding the black hole?x-raygamma rayinfraredvisible
- 30. Multiple ChoiceIn the movie Interstellar, the main character was on a planet that was close to a black hole for a short time while his young daughter remained on Earth. Based on what you know about gravity and time, OR your knowledge of the movie... what happened?When he got back to Earth, his daughter was older than he wasWhen he got back to Earth, his daughter was the same age but he was youngerWhen he got back to Earth, his daughter wasn't even born yet.When he got back to Earth his daughter was just being born.
- 31. Multiple ChoiceMassive stars that are not quite large enough to turn into a black hole will turn into what when they collapse?white dwarfneutron starred giantbinary star
- 32. Multiple ChoiceIf the sun were a black hole, would the Earth get sucked into it?YesNo
- 33. Multiple ChoiceThe event horizon of a black hole is _______.a surfacea locationmatter
- 34. Multiple ChoiceWhich aspect of a black hole is NOT infinite?DensityGravityMasssmallness of singularity
- 35. Multiple ChoiceMoving masses cause disturbances in this...spacegravityastronomyspeed
- 36. Multiple ChoiceWhat happens to gravitational waves the further you are away from the source?they get weakerthey get strongernothingthey become more noticeable
- 37. Multiple ChoiceWhich of the following is the most likely to be the mass of a stellar-mass black hole?25 solar masses100,000,000 solar masses1 solar mass.1 solar masses
- 38. Multiple ChoiceWhich of the following is most likely to be the mass of a supermassive black hole?100,000,000,000 solar masses100 solar masses5 solar masses50 solar masses
- 39. Multiple ChoiceClocks closer to a gravitational source run ______slowerfasterthe same
- 40. Multiple Choice
Which best describes why the moon orbits the Earth.... according to General Relativity?
Gravity force from the Earth pulls on the moon
Gravity force from the Earth pushes on the moon
The moon moves around the curvature in spacetime created by the Earth's mass
- 41. Multiple ChoiceDoes gravity affect light?YesNo
- 42. Multiple ChoiceWhere would time run the slowest?at rest on the surface of the Earthat rest on the top of a tall mountain on Earthat rest in a deep valleyat rest on the surface of the moon
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