Transcript Slide 1
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 Fraction PREFIX SYMBOL FRACTION EXAMPLE pico p 10-12 picometer (pm) nano n 10-9 nanosecond (ns) micro μ 10-6 micrometer (μm) milli m 10-3 or 1/1,000 milligram (mg) centi c 10-2 or 1/100 centimeter (cm) deci d 10-1 or 1/10 decisecond (ds) Multiple PREFIX SYMBOL MULTIPLE EXAMPLE deka da 101 or 10 dekagram (dag) hecto h 102 or 100 hectometer (hm) kilo k 103 or 1,000 kilometer (km) mega M 106 megabyte (Mb) giga G 109 gigabyte (Gb) tera T 1012 terameter (Tm) Answer to the do now: 1. Micrometer 2. Millimeter 3. Decimeter 4. Kilometer 5. Megameter 6. Terameter Who got the do now right? Name____________________________________________________ USING CORRECT UNITS For each of the following commonly used measurements, indicate its symbol. Use the symbols to complete the following. mg milligram L cm centimeter mL ____milliliter _____ ____liter ____ g gram kg mm millimeter km ____kilogram ____ ____kilometer ____ m meter ms millisecond μg nm nanometer ____ ____ ____microgram ____ L 1. Colas may be purchased in two or three ____ bottles. kg 2. The mass of bowling ball is 7.25 _____ cm 3. The length of the common housefly is about 1 ____ g 4. The mass of a paper clip is about 1 ____ mL 5. One teaspoon of cough syrup has a volume of 5 ____ km /h or 29 ____ m /s. 6. The speed limit on the highway is usually 106.6 ____ m 7. The length of the small intestine in man is about 6.25 ____ nm 8. Viruses such as AIDS, polio and flu range in length from 17 to 1000 ____ mg of calcium to meet the U.S. RDA. 9, Adults require 1,000 ___ ms 10. In a vacuum, light can travel 300 km in 1 ____ μg 11. The mass of a proton is 1.67 x 10-18 ____ nm 12. Blue light has a wavelength of about 500 ____ L 13. One mole of oxygen gas at STP occupies 22.4 ____ μg 14. Myoglobln, a protein that stores oxygen, has a mass of 2.98 x 10-14 ____ L bowl has a mass of about 50 15. Buttery popcorn contained in a large 1 ____ g of fat and about 650 calories. ____ 16. The dying comet fragments that continued to batter Jupiter travel at mm / ___ ms or 130,000 miles per hour. speeds of about 58,117 ____ kg 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 m to your outstretched middle finger is about 1 ____ cm mg and it can jump about 20____ 19. The body mass of a flea is about 0.5 ____ high. 20. On a statistical basis, smoking a single cigarette lowers your life expectancy ms or 10.7 minutes. by 642,000 ____ Pages for Additional Reading Page 20