metric conversions 8/20/13. bellwork what are the five metric prefixes? (names not symbols) mega-...
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Metric Conversions
8/20/13
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Bellwork
What are the five metric prefixes? (names not symbols)
mega- kilo- centi- milli- micro-
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Today’s Agenda
Bellwork Metric conversions examples Finish “Measurement Activity” – Due by
the end of class Start homework problems
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The Week Ahead
Today’s Homework: Bring in your calculator for tomorrow
Due Thursday: #71-82 Due Friday: #107-132
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Metric Prefixes (review)
Prefix Prefix Symbol Multiplier
mega- M 106 (1000000)
kilo- k 103 (1000)
BASE UNIT - 100 (1)
centi- c 10-2 (0.01)
milli- m 10-3 (0.001)
micro- μ 10-6 (0.000001)
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Metric Prefixes (review)
Prefix Prefix Symbol Multiplier
mega- M (unit) = 106 (base units)
kilo- k (unit) = 103 (base units)
BASE UNIT - 100 (1)
centi- c (unit) = 10-2 (base units)
milli- m (unit) = 10-3 (base units)
micro- μ (unit) = 10-6 (base units)
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Prefixes and Base Units (review) (any prefix can go with a base unit)Prefixes M (Mega-) k (kilo-) c (centi-) m (milli-) μ (micro-)
Base Units m (meter) g (gram) s (second) L (liter) N (Newton) J (Joule)
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Domino Metric Conversions (step #4 - review)For metric dominoes:
The “multiplier” goes with the BASE unit, And “1” goes with the PREFIX unit
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Metric Prefixes (review)
Prefix Prefix Symbol Multiplier
mega- M (unit) = 106 (base units)
kilo- k (unit) = 103 (base units)
BASE UNIT - 100 (1)
centi- c (unit) = 10-2 (base units)
milli- m (unit) = 10-3 (base units)
micro- μ (unit) = 10-6 (base units)
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Metric Conversion Examples Ex #1) 63200 mL to L Ex #2) 438000 N to MN Ex #3) 74100000 μJ to kJ Ex #4) 0.0000323 Mg to mg
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Ex #1) 63200 mL to L
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Ex #2) 438000 N to MN
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Ex #3) 74100000 μJ to kJ
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Ex #4) 0.0000323 Mg to mg
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Prefix Symbol 1000m 10n Decimal US English word[n 1] Since[n 2]
yotta Y 10008 1024 1E+24 septillion 1991
zetta Z 10007 1021 1E+21 sextillion 1991
exa E 10006 1018 1E+18 quintillion 1975
peta P 10005 1015 1E+15 quadrillion 1975
tera T 10004 1012 1E+12 trillion 1960
giga G 10003 109 1E+09 billion 1960
mega M 10002 106 1000000 million 1960
kilo k 10001 103 1000 thousand 1795
hecto h 10002/3 102 100 hundred 1795
deca da 10001/3 101 10 ten 1795
10000 100 1 one –
deci d 1000−1/3 10−1 0.1 tenth 1795
centi c 1000−2/3 10−2 0.01 hundredth 1795
milli m 1000−1 10−3 0.001 thousandth 1795
micro µ 1000−2 10−6 0.000001 millionth 1960
nano n 1000−3 10−9 1E-09 billionth 1960
pico p 1000−4 10−12 1E-12 trillionth 1960
femto f 1000−5 10−15 1E-15 quadrillionth 1964
atto a 1000−6 10−18 1E-18 quintillionth 1964
zepto z 1000−7 10−21 1E-21 sextillionth 1991
yocto y 1000−8 10−24 1E-24 septillionth 1991