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Notre Dame extended Research Community 1 NANOweek: Scale and Orders of Magnitude Dr. Patrick Mooney Dr. Karen DelleDonne Natalie Wasio, graduate student
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2 What do we mean by Scale? A Few Small Mammals Squirrel 0.5kg Cat 7kg 8kg Ferret 2kg Raccoon 5kg 4kg 0kg 6kg 2kg
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3 What do we mean by Scale? A Few Whales Killer 6,000kg Beluga 1,000kg 10,000kg Minke 10,000kg Pygmy Right 3,000kg 5,000kg 0kg 7,500kg 2,500kg Squirrel, Ferret, Raccoon, Cat (<10kg)
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4 How does this relate to Nano? Different Lengths Giraffe 5m 8m Tree 8m Human 2m 4m 0m 6m 2m Transistors, Molecules, Atoms, etc.
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5 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= 10 0 Tens= 10= 10 1 Hundreds= 100= 10 2 Thousands= 1,000= 10 3 Kilo Millions= 1,000,000= 10 6 Mega Billions= 1,000,000,000 = 10 9 Giga
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6 Exponent - 10 3 Billionths= Nano= 10 -9 Millionths= Micro= 10 -6 Thousandths= Milli = 10 -3 Ones= Base Unit= 10 0 Thousands= Kilo= 10 3 Millions= Mega= 10 6 Billions= Giga = 10 9
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7 Prefixes with “Meter” – Steps of 1,000 Meter Kilometer Megameter Millimeter Micrometer Nanometer 10 0 10 3 10 6 10 -3 10 -6 10 -9
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8 Scale Exercise
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9 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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10 Scale Bar
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11 “Well Spaced” Objects for Game Atom 10 -27 Cell 10 -15 Bee 10 -5 Elephant 10 3 Skyscraper 10 8 Mountain 10 15 Moon 10 22 Sun 10 30
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