Numbers have very little meaning without units attached to lend a sense of scale. When doing problems in science classes, it's very important to keep track of the units attached to the numbers you are using, and the units of your final answer. The purpose of this tutorial is to introduce you to a variety of units and give your practice at using them.
The sections of this tutorial are listed below. We suggest that you start with Section 1 (Basic Units and Unit Conversion) and work your way through.
Questions? Ask the designer, Jim Heath
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