3/12/09

Post date: Mar 13, 2009 1:34:22 AM

Bell Ringer: Why aren't common machines (such as automobiles, appliances, or machines in factories) designed like Rube Goldberg machines?

• • Folders are due tomorrow

    • All items must be in order to receive ANY credit

    • Number and title each assignment

  • Bell Ringers

    • Worth 2 points each

    • 14 Bell Ringers all together

  • Introduction to efficiency

    • Efficiency is the percent of energy that is transferred from one form to another

    • Follow the directions at the end of the "energy of a rolling ball lab" to calculate efficiency for the ball rolling down the ramp.