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Metric System

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Information about Metric System
Education

Published on February 14, 2009

Author: HJ82

Source: authorstream.com

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The Metric SystemStupid Americans (The Standard System, English System, Imperial System, American System) : The Metric SystemStupid Americans (The Standard System, English System, Imperial System, American System) Almost all other countries and ALL scientists use it Coordination of data, consistency Space Probe Crash Also called the SI system (International System of Units) It is a base ten system p. 1044-1046 The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) Question: Where does the standard system come from? Answer The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) The Golden Ticket – B The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) Converting Metric Units Expectation – by repeated practice, you will be able to do these conversions in your head. Making more from a larger number Multiply by base 10 (number of spaces) and move decimal to right Ex. Convert 2.3 kg to ______ g. Ex. Convert 5.7 g to ______ mg. The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) Converting Metric Units Making less from a number Divide by base 10 (number of spaces) and move decimal to the left Ex. Convert 1.5 g to ______ kg. Ex. Convert 8.2 mg to ______ g. The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) Rules for Converting using the golden ticket Find the two places you are on the sheet (units) Count DOWN the sheet by 10, always down starting with 1 (ex. 1, 10, 100, 1000, 10000) Find the conversion unit (first and last number) Set up the equation (same way every time) Follow through with the order of operations, crossing off diagonal units Easier way Move up the sheet, count starting with 0 and move the decimal point left. (Divide) Move down the sheet, count starting with 0 and move the decimal point right (Multiply) The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) Practice problems – Convert Using the formula 550 millimeters to meters 3.5 moles to millimoles 1.6 kilograms to gram 2500 milligrams to kilograms 4.0 centimeters to millimeters 5 liters to milliliters Metrics and Measurement worksheet The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) Scientific Notation – Scientists use scientific notation to express very large or small numbers. For instance, the span of the universe is expressed and the size of viruses are expressed in scientific notation Rules for converting (10, 345) Move the decimal to make a number between 1 and 10. Write (x 10 number of spaces) Move the decimal to the right, + exponent (1.0345 x 104) Move the decimal to the left, - exponent Scientific Notation – going the other way The exponent is the number of places you move the decimal If the decimal is negative (-), move left If the decimal is positive (+), move right The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) Convert 10,000 0.0034 23,000,000 0.000 000 045 4, 500, 000, 000 0.000 000 000 000 056 1.456 x 104 0.007 x 103 9.11 x 106 0.003 x 10-3 7.89 x 102 0.000 005 x 106 Scientific Notation Worksheet The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) Answers 1.0 x 104 3.4 x 10-3 2.3 x 107 4.5 x 10-8 4.5 x 109 5.6 x 10-14 14, 560 7.0 9, 110, 000 0.000 003 789 5.0 Scientific Notation Worksheet The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) LENGTH (Meter) - How Long Ruler or Meter stick Being Precise Always Approximate last number Board Example Measuring Length Sheet Measuring Room Kilometer (1,000) Hectometer (100) Decameter (10) Meter (1) Decimeter (0.1) Centimeter (0.01) Millimeter (0.001) Units May be combined Meters (L) x Meters (W) = m2 (Area) Meters (L) x Meters (W) x Meters (H) = m3 (Volume) The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) Mass (gram) – how much gravity pulls/density Triple Beam Balance – Electronic Balance Being Precise Always Approximate last number Board Example Worksheet Practice & p.1042 Mass of Objects in the room Kilogram (1,000) Hectogram (100) Decagram (10) gram (1) Decigram (0.1) Centigram (0.01) Milligram (0.001) Units May be interchangeable (both measure mass) 1 m3 = 1, 000kL 1 cm3 = 1 mL (very important) The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) Volume (Liter) – How much fluid Graduated Cylinder of Beaker Being Precise Always Approximate last number Board Example Volume Practice Volume of Room Kiloliter (1,000) Hectoliter (100) Decaliter (10) liter (1) Deciliter (0.1) Centiliter (0.01) Milliliter (0.001) Units May be interchangeable (both measure space) The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) Time Always use seconds Stop watch trials Clock in room Temperature Celsius degree or degree Celsius (?C) Boiling is 100?C Freezing is 0?C p. 1043 The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) Line Graphs Best for Analyzing a continuous Change Usually over time Able to make predictions on the trend of the graph R2, Trend Line, Best Fit Line, Line of Regression, Regression Analysis The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) Bar Graphs Best for comparing individual items or events The Metric SystemStupid Americans (The Standard System) : The Metric SystemStupid Americans (The Standard System) Composition of Calcite Oxygen = 38% Calcium = 40% Carbon = 12% Line Graphs Best for Showing Parts of the whole

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