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[http://farm3.static.flickr.com/2106/1536243285_eecbf318b4_b.jpg]. Measurements. Length Size of an object. English: Foot (ft) SI: Meter (m). Measurements. Mass Amount of matter an object contains. English: Pounds (lb) SI: Grams (g).

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  1. [http://farm3.static.flickr.com/2106/1536243285_eecbf318b4_b.jpg][http://farm3.static.flickr.com/2106/1536243285_eecbf318b4_b.jpg]

  2. Measurements • Length • Size of an object. • English: Foot (ft) • SI: Meter (m)

  3. Measurements • Mass • Amount of matter an object contains. • English: Pounds (lb) • SI: Grams (g) [http://www.basicsciencesupplies.com/Merchant2/graphics/00000001/320189_WEB.jpg]

  4. 373.35 g [http://genchem.rutgers.edu/bal3b2.gif]

  5. Measurements • Temperature • Measures the kinetic energy of molecules. • English: Fahrenheit (°F) • SI: Celsius (°C) [http://wps.prenhall.com/wps/media/objects/602/616516/Media_Assets/Chapter01/Text_Images/FG01_04.JPG]

  6. Measurements • Volume • The amount of space an object occupies. • English: Gallon (gal) • SI: Liter (L) [http://wps.prenhall.com/wps/media/objects/602/616516/Media_Assets/Chapter01/Text_Images/FG01_07-19UNPr1-26.JPG]

  7. Measurements • Volume is considered a derived unit since it can be calculated using length measurements • Volume = l x w x h • V = 5m x 3m x 3m • V = 45 m3 [http://www.bgfl.org/bgfl/custom/files_uploaded/img_library/cuboid_5by3by3_with_labels31.jpg]

  8. Unit Conversions • The main units can be scaled up or down using prefixes on page 15. Click Here for "Powers of Ten Video"

  9. Unit Conversions • Kilo- is 1000 times larger than base. • Centi- is 100 times smaller than base. • Milli- is 1000 times smaller than base.

  10. Unit Conversions • Example: How many millimeters (mm) are there in 2 meters (m)? Dimensional Analysis…or “Bridge Problems” 2 m 1000 mm = 2000 mm 1 m Conversion Factor is equal to one!

  11. Unit Conversions • Example: How many centimeters are there in 2.5 kilometers? Convert to “Base” Unit 1st! 2.5 km 1000 m 100 cm = 250000 cm 1 km 1 m

  12. Unit Conversions • Example: How many kilograms (kg) are there in 100 grams (g)? 100 g 1 kg = 0.1 kg 1000 g

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