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Notre Dame extended Research Community
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NANOweek: Scale and Orders of Magnitude
Dr. Patrick MooneyDr. Karen DelleDonneNatalie Wasio, graduate student
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What do we mean by Scale?
A Few Small Mammals
Squirrel0.5kg
Cat7kg
8kg
Ferret2kg
Raccoon5kg
4kg0kg 6kg2kg
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What do we mean by Scale?A Few Whales
Killer6,000kg
Beluga1,000kg
10,000kg
Minke10,000kg
Pygmy Right3,000kg
5,000kg0kg 7,500kg2,500kg
Squirrel, Ferret, Raccoon, Cat (<10kg)
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How does this relate to Nano?
Different Lengths
Giraffe5m
8m
Tree8m
Human2m
4m0m 6m2m
Transistors, Molecules, Atoms, etc.
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Orders of Magnitude Powers of Ten
Billionths = 0.000 000 001 = 10-9 Nano Millionths = 0.000 001 = 10-6
Micro Thousandths = 0.001 = 10-3
Milli Hundredths= 0.01 = 10-2
Tenths = 0.1 = 10-1
Ones = 1 = 100
Tens = 10 = 101
Hundreds = 100 = 102
Thousands = 1,000 = 103 Kilo Millions = 1,000,000 = 106
Mega Billions = 1,000,000,000 = 109 Giga
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Exponent - 103
Billionths = Nano = 10-9
Millionths = Micro = 10-6
Thousandths = Milli = 10-3
Ones = Base Unit = 100
Thousands = Kilo = 103
Millions = Mega = 106
Billions = Giga = 109
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Prefixes with “Meter” – Steps of 1,000
Meter
Kilometer
Megameter
Millimeter
Micrometer
Nanometer
100
103
106
10-3
10-6
10-9
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Scale Exercise
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Fold/Cut Paper
How many times can you fold a piece of paper in half?
How many times can you cut a piece of paper in half?
What do these exercises illustrate?
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Scale Bar
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“Well Spaced” Objects for Game
Atom10-27
Cell10-15
Bee10-5
Elephant103
Skyscraper108
Mountain1015
Moon1022
Sun1030