3/26/12

Post date: Mar 26, 2012 1:17:52 PM

• • Bell ringer (verbal): Why do we have to use electricity to make a hot room colder in the summer, but not in the winter?

  • Finish chapter 16, section 3 notes

  • Videos

  • how engines work

  • how air conditioners work

• Page 492: 1-6