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PS Chapter 1-2
| Term | Definition |
|---|---|
| Science | Study of the natural world |
| Observing | Using senses to gather information |
| Inferring | Guess based on something you already know |
| Predicting | Making a forecast based on past experience |
| Chemistry | Study of matter and how it changes |
| Physics | Study of matter,energy,motion,forces, and their interactions |
| Scientific Inquiry | Ways scientists study the world |
| Hypothesis | Possible answer for all observations |
| Parameter | Measured factor |
| Manipulated variable | Changed variable |
| Responding variable | Changed variable of the manipulated one |
| Controlled experiment | Manipulated parameter |
| Data | Facts figuers and evidence gathered |
| Communication | Sharing ideas through writing |
| Model | Representation of object |
| Scientific theories | Well tested explanation of observation |
| Scientific laws | Statement described by set of conditions |
| SI | International system of units |
| Weight | Measure of force and gravity |
| Mass | Amount of matter for object |
| Estimate | Approximation of a number |
| Accuracy | How close a measurement is to be true |
| Reproducibility | How close a group of measurement are |
| Significant figures | All digits that have been measured exactly |
| Precision | Exactness of a measurment |
| Graph | picture of your data |
| Horizontal Axis | left to right |
| Vertical Axis | up and down |
| Origin | Where to axis cross |
| Coordinate | pair of numbers |
| Data point | location of intersection |
| Line of best fit | smooth line |
| Linear graph | yield of straight line |
| Slope | stepness of the graph line |
| Non linear Graph | graph where data points do not fall |