Chemistry: Unit 1: Measurement
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9 terms
Chemistry | English |
|---|---|
 Scientific Method | 1. Observing: Gathering information using all senses but taste. 2. Hypothesis: Explanation claiming how two factors relate. 3. Experiment: Set of controlled observations testing hypothesis. 4. Conclusion: Judgement based on information obtained from experiment. Can only support or not support hypothesis. 5. Theory: Explanation supported by many experiments. 6. Scientific Law: Relationship in nature supported by many experiments. Cannot be modified. |
| Qualitative Data | descriptive, usually data involving words. |
| Quantitative Data | numerical, usually data involving numbers |
| SI Measurements | Mass: Kilograms Length: Meter Volume: {Liters, Milliliters} liquids; {Meters Cubed, Centimeters Cubed} Solids |
| Finding Volume | Water Displacement Final Volume - Initial Volume = Change in Volume |
| Converting with Prefixes | 1 = mono 6 = hexa 2 = di 7 = hepta 3 = tri 8 = octa 4 = quad 9 = nona 5 = penta 10 = deca |
| Formula for Density, Mass, Volume | D = M/V M = D*V V = M/D -Think of a steering wheel. D-M-V. Down-Up-Down. |
| Accuracy | How close to the real value. |
| Precision | How close to the other trials. |
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