1. MASS
A property of Matter

2. Mass is a measurement of the amount of matter in an object.

3. MASS
For an object is always the same no matter where the object is located.
Mass is measured using a balance.

4. Units
The units used to measure mass are kilogram (kg), milligram (mg), and gram (g).

5. Weight A measurement of the pull of gravity on an object.
Varies depending on where the object is located.
Is measured using a spring scale.

6. Directions 1. Check that the pan is clean 2. Zero out the balance.
3. Make sure that the surface is level.
4. Put the riders at zero.
5. Use the adjustment knob to make certain the pointer is at zero.
6. Read the balance at EYE LEVEL.