11/9/10

Post date: Nov 09, 2010 8:51:12 PM

• • No bell ringer, questions about homework?

• Quiz 12 - machines, work, power, efficiency, mechanical advantage

  • Work time for procedure rough drafts (due tomorrow)

    • Numbered steps describing experiment

    • Include what variable you'll change, how you'll change it, what variable you think will change as a result, and how you'll make any measurements needed

    • Safety concerns and how you'll address each

    • Number of trials for each phase of your experiment