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- 1. Multiple Choice
What is the name of the large artificial satellite orbiting our planet?the International Space Stationthe American Space Stationthe U.S. Skylabthe Mir station - 2. Multiple ChoiceA push or pull acting on an object is called ___a torquea forcepowermomentum
- 3. Multiple ChoiceWhich force keeps everything from sailing off the ground and into space?gravitystatic clingelasticitystatic electricity
- 4. Multiple ChoiceWhen we throw something into the air, no matter what, ___gravity pulls it back to Earthgravity pulls it Southgravity pulls it Northit just keeps going
- 5. Multiple ChoiceThe speed that a rocket must have to escape from the Earth's gravity is called ___the break-away speedthe departure velocitythe escape velocitythe liberation speed
- 6. Multiple ChoiceThe larger an object is, the bigger its gravitational pull is, and ___a larger escape velocity is neededa smaller escape velocity is neededa weaker escape velocity is neededa more powerful escape velocity is needed
- 7. Multiple ChoiceCompared to that of the Earth, the escape velocity you need to take off from the moon is ___a lot moreslightly moreslightly lessa lot less
- 8. Multiple ChoiceThe more mass that two objects have, ___the greater the force is between themthe lesser the force is between themthe greater the tension is between themthe lesser the tension is between them
- 9. Multiple ChoiceData that supports or disputes a scientific idea is called ___cluesdetailsevidencestatistics
- 10. Multiple ChoiceWhen tossing a ping pong ball in the air, the amount of force is the cause and ___the mass of the ball is the effectthe height of the ball is the eventthe height of the ball is the effectthe mass of the ball is the event
- 11. Multiple ChoiceTo move more massive objects against the pull of gravity, it takes ___less forcemore forceless resistancemore resistance
- 12. Multiple ChoiceGravity exists between any two objects that ___have an escape velocityare in orbithave massare planets
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