Have an account?
Skip to Content
Build your own quiz
Suggestions for you
21 questions
Show Answers
See Preview
- 1. Multiple Choice
Gravity is a force, and it weakens with _____distancetimevelocityacceleration - 2. Multiple ChoiceWhen calculating gravity, we measure from _____the center of mass of an objectthe surface of an objectsea levelthe closest point to a second object
- 3. Multiple ChoiceRight now, how far are you from the center of the Earth?about 64 kmabout 640 kmabout 6,400 kmabout 64,000 km
- 4. Multiple ChoiceThe change in the force of gravity over distance is what astronomers call _____the dynamic forcethe concentric forcethe tidal forcecentripetal force
- 5. Multiple ChoiceThe overall effect of the tidal force is to _____compress an objectstretch an objectapply a shear force to an objectrotate an object
- 6. Multiple ChoiceCompared to the center, the side of Earth facing the Moon feels a _____ pull toward the Moonsidewaysintermittentfasterstronger
- 7. Multiple ChoiceWhere the tidal force is strongest, we say it's _____low tidehigh tideneap tideno tide
- 8. Multiple ChoiceWhere the tidal force is weakest, we say it's _____low tidehigh tidespring tideno tide
- 9. Multiple ChoiceWhat is the time between high tide and low tide?about 2 hoursabout 6 hoursabout 12 hoursabout 24 hours
- 10. Multiple ChoiceThere are two high tides and two low tides every _____hourdayweekmonth
- 11. Multiple ChoiceIn general, the ocean tide causes the sea level to rise and fall byone or two centimetersten or twenty centimetersone or two metersten or twenty meters
- 12. Multiple ChoiceThe tidal force stretches the solid Earth by about _____3 centimeters30 centimeters3 meters30 meters
- 13. Multiple ChoiceThe Moon is receding (moving away from the Earth) at a speed of a few centimeters per _____dayweekmonthyear
- 14. Multiple ChoiceDue to the Moon's pull, the length of Earth's day is _____becoming shorterbecoming longerheld constantoscillating
- 15. Multiple ChoiceWhat is it called when a moon shows the same face toward it's home planet?force linkingphase matchingtidal lockingface clamping
- 16. Multiple ChoiceDuring which moon phase are the Earth, Moon, and Sun in a line?new moonfirst quarterfull moonthird quarter
- 17. Multiple ChoiceWhich tides are associated with a new or full moon?spring tidesneap tideshigh tideslow tides
- 18. Multiple ChoiceWhich tide is associated with the least difference between high and low water?spring tidesneap tideshigh tideslow tides
- 19. Multiple ChoiceHow long is it between spring and neap tides?a day72 hoursa weeka month
- 20. Multiple ChoiceThe extra-strong tides, due to the Moon's elliptical orbit, are called _____neap tidesspring tidesproxigean tidespromethean tides
- 21. Multiple ChoiceThe stretching of an object due to extreme tidal forces is called _____noodle-pullingspaghettificationpastafarianismlinguine-stretching
- Answer choicesTagsAnswer choicesTags