12/8/09
Post date: Dec 10, 2009 1:45:18 AM
Bell Ringer: Describe two ways in which waves behave differently from people.
Ladder game to review for chapter 15 test
Work on chapter 15 review (pages 534-535)
For each question, write out the question and answer
Do 20 questions for normal credit
Do more than 20 questions for some extra credit on the test