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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 |