# Units and Standards. In science, numbers arent just numbers. They need a unit. We use standards for this unit. A standard is: a basis for comparison a.

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Units and Standards

In science, numbers arent just numbers. They need a unit. We use standards for this unit. A standard is: a basis for comparison a reference point against which other things can be evaluated Ex. Meter, second, degree

Units and Standards The unit of a #, tells us what standard to use. Two most common system: English system Metric system The science world agreed to use the International System (SI) Based upon the metric system.

Units and Standards

Conversions in the SI are easy because everything is based on powers of 10

Units and Standards Ex. Length. Base unit is meter.

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