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Aim: How can we utilize prefixes to help quantify data? Do Now: Place the following in order from smallest to largest: Millimeter Kilometer Terameter Decimeter Micrometer Megameter The answer will be known by the end of the lesson

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PREFIXSYMBOLFRACTIONEXAMPLE Fraction pico nano micro milli centi deci p n μ m c d 10 -12 10 -9 10 -6 10 -3 or 1/1,000 10 -2 or 1/100 10 -1 or 1/10 picometer (pm) nanosecond (ns) micrometer (μm) milligram (mg) centimeter (cm) decisecond (ds)

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Multiple PREFIXSYMBOLMULTIPLEEXAMPLE deka hecto kilo mega giga tera da h k M G T 10 1 or 10 10 2 or 100 10 3 or 1,000 10 6 10 9 10 12 dekagram (dag) hectometer (hm) kilometer (km) megabyte (Mb) gigabyte (Gb) terameter (Tm)

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Answer to the do now: 1.Micrometer 2.Millimeter 3.Decimeter 4.Kilometer 5.Megameter 6.Terameter Who got the do now right?

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Name____________________________________________________ USING CORRECT UNITS For each of the following commonly used measurements, indicate its symbol. Use the symbols to complete the following. ____milliliter_____ milligram ____liter____ centimeter ____kilogram____ millimeter____kilometer____ gram ____ meter____ millisecond____microgram____ nanometer 1. Colas may be purchased in two or three ____ bottles. 2. The mass of bowling ball is 7.25 _____ 3. The length of the common housefly is about 1 ____ 4. The mass of a paper clip is about 1 ____ 5. One teaspoon of cough syrup has a volume of 5 ____ 6. The speed limit on the highway is usually 106.6 ____ /h or 29 ____ /s. 7. The length of the small intestine in man is about 6.25 ____ 8. Viruses such as AIDS, polio and flu range in length from 17 to 1000 ____ 9, Adults require 1,000 ___ of calcium to meet the U.S. RDA. 10. In a vacuum, light can travel 300 km in 1 ____ mL kg m mg mm ms L km μgμg cm g nm L kg cm g mL kmm m nm mg ms

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11. The mass of a proton is 1.67 x 10 -18 ____ 12. Blue light has a wavelength of about 500 ____ 13. One mole of oxygen gas at STP occupies 22.4 ____ 14. Myoglobln, a protein that stores oxygen, has a mass of 2.98 x 10 -14 ____ 15. Buttery popcorn contained in a large 1 ____ bowl has a mass of about 50 ____ of fat and about 650 calories. 16. The dying comet fragments that continued to batter Jupiter travel at speeds of about 58,117 ____ / ___ or 130,000 miles per hour. 17. The human heart has a mass of about 1.05 ____ 18. Stand with your arms raised out to your side. The distance from your nose to your outstretched middle finger is about 1 ____ 19. The body mass of a flea is about 0.5 ____ and it can jump about 20____ high. 20. On a statistical basis, smoking a single cigarette lowers your life expectancy by 642,000 ____ or 10.7 minutes. μgμg nm L μgμg L g mmms kg m mg cm ms

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Pages for Additional Reading Page 20 Page 20

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