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Chapter 1
Vocabulary
| Term | Definition |
|---|---|
| Science | Study natural world |
| Observing | Use 1 or more to gather information |
| Inferring | Explaining Observations |
| Predicting | Making forecasts based on past |
| Chemistry | Study properties of matter |
| Physics | Matter of energy and how to interact |
| Scientific Inquiry | Different ways to study |
| Hypothesis | Explaining observation |
| Parameter | Factor in experiment |
| Manipulated Variable | Change during experiment |
| Responding Variable | A perimeter in experiment |
| Controlled Experiment | Experiment in time |
| Data | Facts and figures that gather information |
| Communicating | Experiment with others |
| Model | Picture of object or process |
| Scientific Theory | Explaining observations |
| Scientific Law | Rule of nature |
| Length | The distance from one to another |
| Weight | A measure of the force of gravity on an object |
| Mass | A measure of how much matter is in an object |
| Volume | The amount of space that matter occupies |
| Meniscus | The curved upper surface of a liquid in a column of liquid |
| Estimate | An approximation of a number based on reasonable assumptions |
| Accuracy | How close a measurement is to the true |
| Reproducibility | How close a group of measurements are to each other |
| Significant Figures | digits that carry meaning |
| Precision | A measure of the exactness of measurement |
| Graph | A picture of information from a data table |
| Horizontal Axis | A line that runs left to right |
| Vertical Axis | A line that runs up and down |
| Origin | The (0,0) point on a line graph |
| Coordinate | A pair of numbers used to determine the position of a point on a graph |
| Data Point | A point on a graph showing the location of a piece of data |
| Line of best fit | A smooth line that reflects the general pattern in a graph |
| Linear Graph | A line graph in which the data points yield |
| Slope | The steepness of a line on a graph |
| Nonlinear Graph | A line graph in which the data points do not fall |