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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 |