Created by Jhennah Gill
over 5 years ago
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Question | Answer |
Metric System | - A system of scientific measurement and units used throughout the world |
Base Unit | The fundamental unit to which prefixes can be added for each type of metric measurement. |
Molecule | - A collection of atoms that are connected to one another. |
Scientific Notation | - Used to express a large or small number -Large numbers should have positive exponents -Small numbers should have negative exponents - We move the decimal point to the left or right to get a number between 1 and 10. |
Two Rules of Scientific Notation | - The "number part" must be equal or greater than 1, and it must be less than 10. - The "exponential part" is the number 10 raised to the number of positions we moved the decimal point. |
Conversion Factors | - Fractions that express the same value in different units on the top and bottom. |
Dimensional Analysis | A method that uses conversion factors to convert from one unit to next. |
Celsius Temp. Scale | - Used to express temperature in the metric system |
Melting Point of Water | - 0 degrees Celsius equivalent to -32 degrees Fahrenheit |
Boiling Point of Water | - 100 degrees Celsius Equivalent to - 212 degrees Fahrenheit |
Quality of Data | Precision & Accuracy |
Precision | - Refers to the closeness of measured values to one another |
Accuracy | - Refers to how close a number is to an accepted standard value |
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