05 Notes - Metrics and DA

# 05 Notes - Metrics and DA - Pluchino Regents Chemistry...

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Pluchino – Regents Chemistry Matter and Measurement – 05 Metric System and Dimensional Analysis Aim: How can we convert between units? Do Now: How many bytes are in a megabyte? A gigabyte? A terabyte? The Metric System (quick review) When converting from a small unit to a large unit, move the decimal point to the LEFT! 256 mL = _________________ L When converting from a large unit to a small unit, move the decimal point to the RIGHT! 0.698 km = _______________ mm Olympic sprinters can run the 100m dash in 9.5 seconds. How long is that in years? 9.5 seconds years 1. Rewrite the given number and units 2. Determine the units that are needed 3. Using fractions equivalent to 1, work step-by-step to cancel the units 4. Check significant figures Cancel units that are the same in the numerator and the denominator. You should be left with the units you

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## This note was uploaded on 01/01/2012 for the course CHEM 101 taught by Professor Donahue during the Spring '11 term at Long Island U..

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05 Notes - Metrics and DA - Pluchino Regents Chemistry...

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