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Physics-Unit I Vocab

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
SI   The international system of measurement used in Physics  
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Scalar   A type of measurement that gives a number only  
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Vector   A type of measurement that gives both an amount and a direction  
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Magnitude   The number or amount of a given measurement  
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Order of magnitude   a way to compare measurements using scientific notation  
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Mega   the metric prefix for a million  
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Speed   the scalar quantity for how fast an object is travelling  
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Velocity   the vector quantity for how fast and in what direction an object is travelling  
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Distance   the scalar quantity for how far an object has travelled  
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Displacement   the vector quantity for the distance and direction an object has travelled  
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Acceleration   the vector quantity that describes the rate of change of motion  
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Hypothesis   an experimental statement that will be tested in order to answer a question  
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Theory   a collection of statements that have endured scientific testing  
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Scientific Law   A statement of fact that most likely will never be proven false  
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Dogma   A collection of sound scientific laws  
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Created by: mrmpellegrino
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