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Scientific Method J
Scientific Method and Lab Safety Review
| Question | Answer |
|---|---|
| Gloves, Goggles and Aprons are 3 examples of this | PPE |
| Also known as dependent variable (plotted on y axis) | responding |
| Word that helps you remember how to use a fire extinguisher | PASS |
| Also known as the independent variable (plotted on x axis) | manipulated |
| Conditions kept the same during experiment | Constants |
| The study of the composition of matter and its changes | Chemistry |
| Indirectly smelling a chemical is called this | wafting |
| Graph that shows change over time | Line |
| Step of the scientific method where tables & graphs are made | Analyze Data |
| The group that does not receive the independent variable | control |
| The last 2 things done after a lab is complete | clean up and wash hands |
| Graph that shows percentages | Circle (pie) |
| 2 main sources of error during a lab experiment | human & mechanical |
| Where broken glass disposed of | sharps container |
| chemistry of the identity and composition of matter | Analytical |
| Graph that is best for direct comparisons | Bar |
| Chemistry where knowledge is gained for NO specific purpose | pure |
| Chemistry where knowledge is gained FOR a specific purpose | applied |
| Number of independent variables that should be tested at one time | 1 |
| Dangers of pouring leftover chemicals back into the original container | contamination or start a reaction |
| used to test hypothesis | experiment |
| Reasons to collaborate and communicate | get results and share results |
| protects respiratory system from toxic vapors | fume hood |
| chemistry in organisms | biochemistry |
| A well supported explanation of many observations | scientific theory |
| A brief statement of many observations | scientific law |
| chemistry involves chemicals with carbon | organic |
| Gathering information through observing and experimenting | Science |
| chemistry involves rates of reaction and energy transfer | physical |
| chemistry involves chemicals without carbon | inorganic |