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Chapter 1
| Term | Definition |
|---|---|
| Bias | Occurs when a scientist expectations change how the results of an experiment are viewed |
| Constant | quantity or factor that remains at the same value when other are changing |
| Control | used as a standard of comparison in scientific experiment |
| Density | a ratio that compares the mass of an object to its volume |
| Dependent Variable | the responding variable in an experiment |
| Experiment | test or procedure carried out under controlled conditions |
| Graph | a visual representation of information that can reveal patterns in data |
| Hypothesis | a tentative , testable statement or prediction about what has been observed . |
| Independent Variable | variable whose value determines the value of an other variables . |
| Mass | Measures of the amount of matter contained in a physical body |
| model | a visual verbal and or mathematical explanation of data collected from many experiments |
| scientific law | statement that describes what will happen in all cases under a specified set of conditions |
| scientific method | systematic problem soling method of observing experimenting and analyzing |
| SI | international standards of measurement adapted from the metric system |
| Standard | exact agreed upon quantity used for comparison |
| Technology | the practical use of scientific information |
| theory | an explanation supported by many can be modified and is subject to new experimental data |
| volume | measure of the space occupied by an object or system |