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| A system of measurement based on the number 10 |
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| International System, abbreviated SI, is used as units to measure length, volume, mass, density, temperature, and time. It allows scientist to share and compare their work. |
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| Mass is a measure of the amount of matter an object contains. |
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| Weight is a measure of the force of gravity acting on an object . |
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| Volume is the amount of space an object takes up. |
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| Meniscus is a curve that determine the volume of water. |
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| Density is a measure of how much mass is contained in a given volume. |
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| An estimate is a approximation of a number based on reasonable assumtions |
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| Accuracy refers to how close a measurement is to the truth. |
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| Precision refers to how close a group of measurements are to each other. |
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| Significant figures refers to the digits in a measurement. |
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| Percent error calculations are used to determine how close or how accurate the true value is. |
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| The mean or numerical average, is calculated by adding up all the numbers and then dividing. |
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| The median is the middle number in a set of data. |
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| The mode is a number that appears most often in a list of numbers. |
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