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9 Cards in this Set
- Front
- Back
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motion |
A change in the position of an object over time |
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Speed |
A measure of how fast an object is traveling |
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Force |
A push or pull |
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Propulsion force |
A push or pull that causes an object to move |
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Gravity |
The force of attraction between objects. On earth gravity pulls objects downward toward Earths center |
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qualitative data |
Information describing the qualities of objects observed, but not measured |
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Reference point |
An object or location with which the position of a second object is compared over time to determine if the second object is moving |
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Frame of reference |
the view from which you judge the motion of another object |
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Quantitative data |
Information based on measurements or counting |
