| Term | Definition |
|---|
| physics | a branch of science that involves the study of the of the physical world: energy, matter, and how they are related |
| dimensional analysis | the methos of treating units as algebraic quantities, which can be cancelled |
| significant digits | valid digits for measurement |
| scientific method | making observations, doing experiments, and creating models or theories to support your results |
| hypothesis | an educated guess about how variables are related |
| scientific law | a rule of nature that sums up related observations to describe a pattern in nature |
| scientific theory | an explanation based on many observations supported by experimental results |
| measurement | a comparison between an unknown quantity and a standard |
| precision | the degree of exactness of a measurement |
| accuracy | how well the results of a measurement agree with the "real" value |
| independent variable | the factor that is changed or manipulated during an experiment |
| dependent variable | the factor that depends on the independent variable |
| line of best fit | a line drawn as close to all points as possible to better model the data |
| linear relationship | y=mx+b |
| quadratic relationship | y=ax^2+bx+c |
| inverse relationship | y=a/x |
Combine with other sets
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