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Measurement via Triangulation These exercises and lesson plans are designed to accompany and enrich the study and discussion of the June 2004 Transit of Venus. Goal: Students identify common and uncommon measurements and build conversion tables. Grade Level: 3-8 Objectives: Identify and use correctly various common terms of measurement Sort the measurement terms into categories Identify some uncommon terms of measurement Construct conversion tables for both common and uncommon terms of measurement. Relate measurement to that which is very small and that which is very large, e.g., atomic particles and astronomical units. Subject Area or Standard: Measurement Materials Needed: Internet access or dictionaries containing measurement tables Measurement tools and instruments Paper and pencil Websites: Dictionary of Measurement http://www.ex.ac.uk/cimt/dictunit/dictunit.htm Interactive units converter http://www.convert-me.com/en/ http://mathforum.org/paths/measurement/ Resources: Some common and uncommon conversions examples 1 inch = 6 picas = 72 points (printing terms) 1 meter = 3.281 feet 1 furlong = 660 feet 1 league = 3 miles 1 Astronomical Unit (AU) = 149,597,870.691 kilometers 2 stone = 28 pounds 1 pound = 2213 carats 1 gram = 0.03215 ounces 1 long ton = 1016 kilograms 1 dram = 0.1371 ounces 1 liter = 1.057 quarts 1 barrel = 42 gallons (petroleum) 1 bushel = 32 quarts (dry) 1 tablespoon = 3 teaspoons 1 urn = 2.964 gallons 1 kph = 0.6214 mph 1 knot (sea mile per hour) = 1.852 kph 1 century = 876600 hours 1 kelvin = -457.9 degrees Fahrenheit 1 exabyte = 1074000000 gigabytes Procedures: 1.Students use dictionaries and web sites to research various terms for measurement. 2. Students classify terms into their uses, i.e., measure distance, weight, temperature, etc. 3. Students classify terms into functional or vocations uses, i.e., pharmacists, cooks, computer scientists, astronomers. 4. Students construct table of unusual conversions and measurements. Alternatives: Some interactive measurement conversion games by AAA Math. http://www.aaamath.com/mea.html