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PS Chapter 1
Scientific Inquiry and Graphs
| Term | Definition |
|---|---|
| Science | the study of the natural world |
| Observing | using 2 or more senses to get info |
| Inference | explain your observation |
| Predicting | make a statement about the future |
| Chemistry | properties of matter and how it changes |
| Physics | study of matter,energy,motion,and forces |
| Graph | A picture of your data |
| Horizontal Axis | Graph line that runs left to right |
| Vertical Axis | Graph line that runs up and down |
| Origin | The (0,0) point on a line graph |
| Coordinate | A pair of numbers that tell the position of a point |
| Data Point | Shows the location of the intersection |
| Line of Best Fit | Reflects general pattern of a graph,average of data |
| Linear Graph | A graph where data points for a straight line |
| Slope | The steepness of a line on a graph |
| Nonlinear Graph | A line graph in which the data points do not fall along a straight line. |
| Scientific Inquiry | A process that includes the various ways that scientists find out about the natural world and try to explain what they observed. |
| Hypothesis | A possible answer to a question that can be tested |
| Parameter | Factors that can be measured |
| Manipulated Variable | Variable that you can change |
| Responding Variable | The variable that changes in response to the manipulated variable |
| Controlled Experiment | An experiment where only one variable is controlled at a time |
| Data | Facts,figures,and other information gathered from experience |
| Qualitative | Observations that have no measurements or numbers |
| Quantitative | Observations that have measurements and numbers |
| Communicating | When you share your results so others can repeat and check results |
| Model | A picture,diagram,or computer image that shows an object or process |
| Scientific Theory | A single explanation that connects a large set of related observations or results from experiments |
| Scientific Law | A statement that describes what scientists expect to happen every time under a particular set |