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Fractions/Density
review terms
| Term | Definition |
|---|---|
| humidity | amount of water vapor in the air |
| thermometer | tool that measures the loss of gain of energy or heat |
| density | mass divided by the volume |
| mass | the amount of matter something is made of |
| volume | the amount of space taken up |
| improper fractions | numerator larger than denominator ( can change to mixed number) |
| mixed number | whole number with a fractions (can change to an improper fraction) |
| proper fraction | numerator smaller than the denominator ( can change to decimal) less than 1 |
| equivalent fractions | equal value fractions with different numbers but converted by fractions that equal 1 |
| fractions that equal 1 | 72/72 |
| insulator | slow flow of heat (plastic, wood) |
| conductor | fast flow of heat (metal, water) |
| water density | 1 g/cm3 |
| mass is measured in | grams |
| volume always has what number | 3 |
| mass is measured on what tool | balance |
| water displacement is used to find | volume |
| surface tension | water "skin" |
| buoyancy | against sinking in water |
| Fahrenheit and celcius | measurements of a thermometer |
| 212F or 100C | boiling point |
| below 32F or 0C | freezing point |