Micropipettes are used to measure the volume of extremely small amounts of liquids. What are some potential sources of error in your measurements? Part 3: Micropipetting Measurement of object of your choice _.Use a ruler to make the following measurements making sure to include units. You should see centimeter and millimeter divisions. Examine intervals marked on the metric rulers. Length is measured with a metric ruler, a meter stick, or a measuring tape. 13 kilometers = _ meters = _ decimeters.56.2 millimeters = _ meters = _ centimeters.1 meter = _ centimeters = _ millimeters.Remember that the base unit, like a gram or a meter, is the same as 10 0 or 1.

The chart on the previous page had some common metric prefixes from smallest to largest. The metric system is based on units of 10, so conversions from one unit to another are relatively easy and can be completed by moving a decimal point either adding or subtracting zeros. Larger or smaller units are created by adding prefixes to the terms above. The basic units of these measurements for the metric system are listed in the chart below.

In 1960 the metric system became the basis for the International System of Units ( SI units). The metric system was developed in France in 1791 so that scientists had a common unit for research comparisons. Measurements in science use metric units. Metric System from Lumen Learning Introduction

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