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study of matter, energy, and their relationships |
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checks if answer will be in hte correct units |
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valid digits in a measurement |
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observations, experiments, and creating compelling explanations quantitavely describing phenomena |
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educated guess about how variables are related |
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rule of nature summing up related observations to describe a pattern in nature |
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explanation based on many observations supported by experimental results |
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comparison btwn. unknown quantity and standard |
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degree of exactness of a measurement |
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how well results of measurement agree with accepted value |
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factor manipulated during experiment |
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factor depending on indep. variable |
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line drawn as close to all data points as possible; models predictions |
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dep. variable varies linearly with indep. variable |
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one variable depends on the square of another |
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one variable depends on the inverse of the other |
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series of images showing the positions of a moving object at equal time intervals |
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simplified version of a motion diagram where object in motion is replaced by a series of single points. |
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location of the zero point of the variable and the direction where the values of the variable increase |
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point where both variables are zero |
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separation btwn. object and origin |
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how far object is from origin |
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quantity with magnitude and direction |
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quantity that is just a number without a direction |
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vector representing sum of other 2 vectors |
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graph with time data plotted on x-axis and position data on y-axis |
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position at a particular instant |
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slope of a position-time graph for an object |
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how fast object is moving; absolute value of slope |
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speed and direction of an object at a particular instant |
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