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2
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a material that allows a reaction to occur at a faster rate than without it, but which is not used up in the reaction.
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3
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How far something is from the reference point.
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5
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a molecule of oxygen with three oxygen atoms. At ground level it is a pollutant, but in the stratosphere it is essential for life on earth.
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6
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describes the force betweeen two objects in contact with each other that are moving or attempting to move relative to each other
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7
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the idea that a prediction can be proven wrong.
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8
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The amount of time it takes for something to increase by 100%.
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9
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change in position divided by the time required to make the change.
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13
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change in velocity divided by the time required to make the change in velocity
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14
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a quantity that has a direction specified in addition to its numerical value.
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15
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How far something has traveled.
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