Chapter 4: Metric Prefixes & Powers of Ten Gigafun with nanoeffort Presented by: James, VE3BUX.
Metric Prefixes
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Transcript of Metric Prefixes
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Metric PrefixesLook along on your
Conversion Factor sheet
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Metric System Review
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Metric PrefixMetric Prefix – symbol that goes in
front of a base unit that indicates a portion of that unit
For example:kilo + meter = kilometer = 1,000 meters
1 km = 1,000 m
Common Base Units: meters (m), grams (g), Liters (L), seconds (s)
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1 Megameter = 1Mm
Mega = M
1 M____ = 1,000,000 _____ = 106 ____m m mg g gL L L
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1 kilometer = 1km
kilo = k
1 k____ = 1,000 _____ = 103____
2.5 laps = 1 kilometer
L L L
m m mg g g
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1 centimeter = 1cm
centi = c
1____ = 100 c _____ = 102 c____
The width of your thumb = 1 cm
L L L
m m mg g g
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1 millimeter = 1 mm
milli = m
1____ = 1000 m _____ = 103 m____
The width of a quarter = 1 mm
L L L
m m mg g g
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1 micrometer = 1 μm
micro = μ
1____ = 1,000,000 μ _____ = 106 μ____
The width of a hair = 1 μm
L L L
m m mg g g
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Quick CheckHow many centimeters (cm) are in 1
meter(m)?
1) 100 cm in 1 m2) 1,000 cm in 1 m3) 100 m in 1 cm
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Quick CheckHow many milligrams (mg) are in 1 gram (g)?
1) 100 mg in 1 g2) 1,000 mg in 1 g3) 1000 g in 1 mg
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Quick CheckWhat is the relationship between kiloliters
(kL) and liters (L)?
1) 1000 L = 1 kL2) 1 L = 1000 kL3) 100 L = 1 kL4) 1,000,000 L = 1 kL
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Quick CheckHow many nanoseconds (ns) are in 1 second (s)?
1) 109 ns in 1 s2) 10-9 ns in 1 s3) 109 s in 1 ns
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Quick CheckWhat is the relationship between
MegaJoules(MJ) and Joules (J)?
1) 1000 J = 1 MJ2) 1 J = 1000 MJ3) 100 J = 1 MJ4) 1,000,000 J = 1 MJ