Mass
• Eric Bourque
History
• Johannes Kepler• Sir Isaac Newton
History Two
• Current concepts
Apothecaries System
• History• Units• Milligram• Grain• Scruple• Dram• Ounce• pound
Apothecary System Two
• People• Industry
Avoirdupois System
• Milligram• Dram• Grain• Ounce• Pound• Hundredweight• Long hundredweight• Ton• Long ton
Avoirdupois System Two
• History • People• Industry
Troy System
• History• Industry
Troy system• Units• Milligram• Grain• Pennyweight• Ounce• Pound• Mite• Droit• Perit• Blank
Metric system
• History• Units• Industry/Uses
The American System
• History• Units
Atomic Mass
• History• Units• Industry
Other
• Carat• Gamma• electronvolt
Tools for Measurement
• Scale • Mass spectrometer
There’s a Difference
• Weight equals mass times gravity. Weight changes in space mass doesn’t.
Harry Truman • 33 President• The best President• Dropped two a bombs• Only president to go bankrupt after presidency• Post master
Bibliography• http://teachertech.rice.edu/Participants/louviere/Newton/law2.html• http://en.wikipedia.org/wiki/Mass• http://en.wikipedia.org/wiki/Photon• http://www.mathpages.com/home/kmath582/kmath582.htm• http://visual.merriam-webster.com/science/measuring-devices.php• http://en.wikipedia.org/wiki/Mass_spectrometry• http://www.unitconversion.org/weight/kilograms-to-slugs-conversion.html• http://en.wikipedia.org/wiki/Apothecaries'_system• Http://www.dictionary.com• http://en.wikipedia.org/wiki/Avoirdupois_system..• http://en.wikipedia.org/wiki/Troy_system
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