![]() The relationship between 2 units of measure. Mass kilogram kg Length meter m Time second s Temperature kelvin K Amount of substance mole mol All other units are derived units - combinations of base unitsĦ Derived Units Volume: the amount of space a substance occupies.ħ Metric Prefixes Prefix Symbol Multiplier Exponential mega M 1,000,000ġ06 kilo k 1000 103 hecto h 100 102 deca da 10 101 deci d 0.1 10-1 centi c 0.01 10-2 milli m 0.001 10-3 micro 10-6 nano n 10-9 to convert frequency and wavelength units to base units of Hertz and Meters. Not used as often anymore International System (SI) SI units based on the metric system Used by scientific communityĥ SI Base Units Physical Quantity Unit Name Abbreviation When converting to scientific notation place the decimal point after the. The numbers (if any) after the decimal are signficant figures m = 5.0 X 10-5m 9,600,000m = 9.6 X 106mģ Scientific Notation Using a scientific calculator: Use the EE buttonĤ.58 x 106 is typed 4.58 EE 6 Using a graphing calculator: Use the EXP button 4.58 x 106 is typed 4.58 EXP 6Ĥ Units of Measure English System International System (SI) The number before the decimal is between 1 and 10. Measurements Scientific Notation Units Conversion FactorsĢ Scientific Notation An easy way to write small and large numbers. A paradigm is a model or pattern.1 Scientific Notation Units Conversion Factors The liter is a unit of volume used for liquids, so wet socks are literhosen.Įxplanation: The prefix terra means a trillion.Įxplanation: C is the Roman numeral for 100.Įxplanation: Mono is the prefix for one, while dia means two.Įxplanation: Two dimes is a pair of dimes. There are 1000 grams of water (more or less) in one liter. This play on words refers to the Nabisco cookie, the fig newton.Įxplanation: Lederhosen are short breeches (not actually socks). 1 kilogram of falling figs = 1 fig newtonĮxplanation: The newton is a unit force, which is mass under acceleration (such as you'd get from falling figs).Yale is one of the Ivy League school, plus 2.4 statute miles is a length equal to 1 league. LeagueĮxplanation: Intravenous tubing is also called IV tubing. 2.4 statute miles of intravenous surgical tubing at Yale University Hospital = 1 I.V.This is a play on words, substituting hurtz (like pain, but with a "z") for hertz.Įxplanation: The word "microfiche" is pronounced like micro-fish. There are 52 cards in a deck of playing cards.Įxplanation: There are one million (10 6) hertz in 1 megahertz. 2000 mockingbirds = two kilomockingbirdsĮxplanation: " To Kill a Mockingbird" is a famous novel by author Harper Lee published in 1960.Since it's only half a colon, it's a semicolon, much like half a circle is a semicircle. It's a bike with one wheel.Įxplanation: the large intestine is also called the colon. It's especially clever because unicycle has another meaning. Shortest distance between two jokes - a straight lineĮxplanation: To deliver a joke as a straight line means it's a short joke delivered with a straight face (like it's not a joke at all).Įxplanation: 365.25 days is one year or one cycle of the Earth around the Sun. Metric (SI) Units English and Metric Conversions Pound-square inch (psi).Basic unit of laryngitis - 1 hoarsepowerĮxplanation: One symptom of laryngitis is hoarseness.Rod Serling is the American tv producer, screenwriter, and narrator responsible for "The Twilight Zone." Explanation: There are 453.6 grams in 1 pound. If you need help with real unit conversions, check out our collection of printable conversion worksheets and examples of worked unit conversion problems. 16.5 feet in the Twilight Zone = 1 Rod SerlingĮxplanation: The rod is a unit of length equal to 16.5 feet. This is a list of funny, made-up scientific unit conversions.365.25 days of drinking low-calorie beer = 1 Lite year.Time it takes to sail 220 yards at 1 nautical mile per hour = Knotfurlong.Weight an evangelist carries with God = 1 billigramĮxplanation: This refers to the American evangelist Billy Graham.The metric prefix "micro" means one millionth.Įxplanation: The metric prefix "mega" means 10 6 or one million. 1 millionth of a mouthwash = 1 microscopeĮxplanation: This refers to the popular mouthwash, Scope.Time between slipping on a peel and smacking the pavement = 1 bananosecondĮxplanation: Instead of expressing the unit in terms of nanoseconds, it's bananoseconds because a banana caused the fall.Ratio of an igloo's circumference to its diameter = Eskimo PiĮxplanation: Pi is the ratio of a circle's circumference to diameter, while there is a stereotype that Eskimos dwell in igloos.Įxplanation: A wonton is a type of Chinese dumpling.Explanation: There are 453.6 grams in 1 pound. The SI unit is given, followed by the esu, emu, Gaussian unit (Gau), atomic unit (au), and other units in common use, with their conversion factors to SI.
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