| A | B |
|---|
| accuracy | the extent to which a measurement is in proximity to the standard or expected value |
| circuit | an interconnection of electrical elements forming a complete path for the flow of current |
| density | concentration of matter of an object; number of individuals in the same species that live in a given area; the mass per unit volume of a substance in a given area |
| Kelvin | fundamental SI unit of temperature where zero degrees Kelvin is equal to absolute zero (One degree Kelvin equals one degree Celsius.) |
| nonrenewable resource | a resource that can only be replenished over millions of years |
| precision | the degree of accuracy or exactness of a measurement or tool |
| pressure | the force exerted per unit area |
| prism | a piece of glass with polished plane surfaces that disperses a beam of white light into its component colors |
| renewable resource | a resource that is replaced or restored, as it is used, by natural processes in a reasonable amount of time |
| resource | any material that can be used to satisfy a need |
| spectroscope | an instrument that uses a prism to separate and catalog light wavelengths |
| volume | a measure of the amount of space an object takes up; also the loudness of a sound or signal |
