Review what you've learned.

Try this crossword puzzle (File type: PDF, file size: 36KB, estimated download time: 12 seconds)
    1. Download the PDF to your computer
    2. Print the PDF and complete the puzzle
    3. Bring the completed crossword puzzle to class on December 4, 2009

Remember: Use your book (pages 9-19) when you're stuck. Part of being a scientist is knowing where to find the right answer. The answers will be given to you in our next class meeting this coming Friday.