Name________________________Period______________Date_________
WS2.1
Worksheet 1: SI Units and Unit Prefixes Directions: Please answer the following questions to the best of your ability. Since you will be tested on this material soon, try to answer the questions without referring to your notes unless necessary. 1. Speed is often expressed in miles per hour. However, using SI units, speed (velocity) is expressed in ____________ per ________. 2. Volume is often expressed in ounces, however in SI units volume is expressed in _____________. 3. Fill in the chart below, using the above examples as a guide. Unit of measurement We usually use Length Mass Temperature density
But SI units require
4. I have a 40 gigabyte hard drive. How many bytes is that? 5. Terabyte hard drives are available…how many bytes of data do they hold? 6. Try to fill in the following table, only referring to your notes if necessary: Prefix Symbol Factor Scientific notation Giga mega 1,000 centi 10-3 micro n
example
Microgram
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