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PS Ch.1
| Term | Definition |
|---|---|
| Science | The study of the natural world |
| Observing | Use two or more senses to get info |
| Inference | Explain your observations |
| Predicting | Make a statement about the future |
| Chemistry | Properties of matter and how it changes |
| Physics | Study of matter, energy, motion, and focus |
| Scientific Inquiry | About the world around you |
| Hypothesis | Possible answer to a question |
| Parameters | Factors that can be measured |
| Data | Facts, figures, and other info gathered from the experiment |
| Conclusions | When the hypothesis it right or wrong |
| Communicating | Share your results |
| Model | When can not be observed |
| Scientific Theory | Well tested explanation of observation |
| Scientific Law | Scientists expect to happen every time |
| Graph | Shows correlations |
| Horizontal | x - axis |
| Vertical | y - axis |
| Manipulated Variable | The factor that you change, x axis, independent |
| Responding Variable | Changes because of another variable change, y axis, dependent |
| Controlled Variable | Need to be kept constant |
| Quantitative Data | Has measurements |
| Qualitative Data | No measurements |
| Origin | ( 0 , 0 ) |
| Coordinate | A pair of numbers that tell the position of a point |
| Data Point | Shows the location or the intersection of data |
| Line of Best Fit | Reflects general pattern of a graph |
| Linear Graph | Graph where data points form a straight line |
| Slope | Rise= y2 - y1 Sun = x2 - x1 |
| Nonlinear Graph | Does not fall along a straight line |