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Core Plus

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
the rate of change in velocity of an object   acceleration  
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the energy of an object moving object along a curve around a fixed point   angular momentum  
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the force needed to create and maintain circular motion   centripetal force  
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the tendency of moving to move outward into space along the same straight line   centrifugal force  
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velocity increasing or decreasing steadily   constant acceleration  
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a scientific test in which there is only one variable   controlled experiment  
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a non-scientific word for acceleration that is decreasing   deceleration  
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a force caused by air rubbing on an object   drag  
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the ability to do work   energy  
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a push or pull   force  
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a force created by the rubbing of two objects against each other   friction  
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the force of the Earth's pull on an object   gravity  
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the tendency of an object at rest to stay at rest and an object in motion to stay in motion   inertia  
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the energy of motion   kinetic energy  
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energy cannot be created or destroyed, only change in its form   Laws of Conservation of Energy  
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