Mass is a measurement of the amount of matter in something.
Units of Measure for Mass The units used to measure mass are kilogram (kg), gram (g), and milligram (mg),
Weight A measurement of the pull of gravity on an object.
A Triple Beam Balance or electronic balance is used to measure mass.
Directions for a Triple Beam Balance Make sure that the surface is level. Put the riders at zero Use the adjustment knob to make certain the pointer is at the zero line. Read the balance at EYE LEVEL Place the object on the center of the pan Start with the hundreds rider, moving it one notch at a time until the pointer drops below the zero line. Move the rider back one notch. Move the tens rider one notch at a time until the pointer drops below the zero line. Move the rider back one notch. Move the ones rider until the pointer is at zero line.