chapter 3

the zero point on the Kelvin temp scale, equivalent to -273.15 C

quantity used by general agreement of the scientific community

closeness of a measurement to the true value of what is being measured

quantity of heat needed to raise the temp of 1 C of pure water

temp scale on which the freezing point of water is 0C and boiling is 100C

ratio of equivalent measurements used to convert a quantity from one unit to another

ratio of the mass of an object to its volume

tech of a problem solving that uses the units that are part of a measurement to help solve the problem

capacity for doing work or producing heat

diff between the sccepted value and the experimental value

quantitive value is used to test the hypothesis

metric mass unit equal to the mass of lcm3 of water @ 4 C

revised version of the metric system adopted by international agreement in 1960

the SI unit of energy

temp scale in which the freezing point of water is 273K and boiling point is 373K

mass of 1L of water @ 4C

volume of a cube measuring 10 cm on each edge (1000 cm3)

quantity desciption that includes both a # and unit

base unit of length in SI

percent that a measured value

describes the closeness or reproductively of a set of measurements taken under the same conditions

expression of #s in the form mx10n where m is equal to or greater than 1 and less than 10 and n is an integer

all the digits that can be known precisely in a measurement, plus a last estimated digit

measure of the average kinetic energy of particles in matter

force that measures the pull of gravity on a given mass