2. Brigit O’Brien & Nicole Corsi Ms. Barker Physical Science, Period 3 October 6, 2011 Consumer’s Challenge

3. * Problem pepsi or diet pepsi O To see if people like pepsi or diet pepsi better?

4. * Research O http://www.youtube.com/watch?v=J8jmSdO 20_s http://www.youtube.com/watch?v=J8jmSdO 20_s O The link above is a commercial about Santa Claus drinking pepsi. If santa likes pepsi then we should too!

5. *Hypothesis O IF THEN O IF we give everyone pepsi and diet pepsi THEN they will like pepsi better.

6. Experimental Design O Materials & Safety Diet pepsi and pepsi Cups Allergies (safety) O Procedure Pour soda and give a cup of diet and a cup of pepsi to each person. Mark them and make sure they don’t know which one is diet and which one is regular. Then ask which one is better tasting.

7. Analyze Data Diet Pepsi Pepsi llll 910

8. Results – Concluding/Discussion O Pepsi came out to be more popular in the 8 th grade period 3 Science. O Our hypothesis was true. O What is the difference between Diet Pepsi and Pepsi? O I think we did the experiment well but if we had to do it again, we could do Coke and Pepsi or Diet Pepsi and Diet Coke.

9. By: Brigit O’Brien and Nicole Corsi Mrs. Barker Science 8 Period 3