1. Mass – How much matter is in an object
Tool – Triple Beam Balance
Units – Kilogram (2.205 pounds)
Gram (1/1000 of a kilogram)
Milligram (1/1000 of a gram)

2. Length - Distance Tool – Meter Stick Unit – Meter (3.281 Ft.)
Centimeter (1/100 m)
Millimeter (1/1000 m)
Kilometer (1000 m)
Light year (9.46 X 10¹⁵m)

3. Volume – How much space something takes up
Of a liquid –
Tool – Graduated Cylinder
Unit – Liter (1000 mL)(1.057 quarts)
Milliliter
Of a regular-shaped solid – L X W X H(5th)
Tool – Metric Ruler
Unit – Cubic Centimeters
Of an irregular-shaped solid –
Tool – Graduated cylinder through the process of Water Displacement