Mass: Make a Scaled Instrument to Measure Mass . Measurements are continuous. Mass is an attribute that can be measured on a linear scale. The relationships between the units used to measure mass are multiplicative with smaller units being equal parts of the larger units. . This allows a range of related units to be represented on a linear scale. There will always be smaller units or part units between any marked units on a scale. It is important that the graduations on a scale represent multipl

We know there are scales for measuring large objects, but did you know there’s a scale for measuring tiny ones, too? It’s called an electrostatic force balance, or EFB, and is used to measure the mass of small objects that weigh between 50 micrograms and 20 milligrams. Because the device uses electrostatic forces – think the static charge that occurs when you rub a balloon against your hair – it can be traced back to the fundamental constants in the SI (the modern metric system) through electric