Physical Science 20 - Basic Skills 1 - Conversions - SMARTBOARD notes - Updated Sept 2014

1 BS 1 ­ Conversions As we know, there are several different units of measurement in the realm of science. Each measurement has its place. Some of the more common measurements are those for time, distance, weight, and mass. Other, less common measurements are those for frequency, energy, and force. It is imperative that we communicate the units for the measurements we take for two reasons. The first reason is so that we are all on the same page. The second reason is so that we use the measurements correctly when applying them to math. Since there are so many different units out there, we must learn how to convert between units. We are all familiar with the metric system. However, scientists have universally agreed to follow a very similar system called the S.I. system of measurements. The S.I. stands for Système international . The vast majority of units in this system are the same as the metric system (metres, litres, etc). Therefore, we can use a guide to help us with the coversions called a Metric Staircase. Ex) 28.6 km = __________ m 12 cm = __________ mm 1.88 x 10 3 km = ________ m Ex) 23.4 mHz = _________ MHz 18 g = __________ dag 3.26 x 10 6 mL = ______ kL ±²³´µµ ¶±µ ¶·²²]¶µC´ ¶·² ¸·±´ µ·µµµµµµµ±¸¹
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