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Chap 1 Intro Chem
| Question | Answer |
|---|---|
| Chemistry | the science concerned with the composition of matter and the changes that matter undergoes. |
| Experiment | a method of testing a hypothesis |
| Hypothesis | a proposed explanation for what is observed |
| Macroscopic | describes the world of objects that are large enough to see with the unaided eye |
| Matter | anything that has mass and takes up space |
| Manipulated Variable | variable that one changes during an experiment |
| Responding Variable | variable that is observed during an experiment; also called a dependent variable |
| Scientific Law | describes many observations and experiments but does not explain them |
| Scientific Method | a logical approach to the solution of problems |
| Theory | a well tested explanation for a broad set of observations; can change over time with new observations or experiments |
| Microscopic | describes an object that can be seen only under magnification |