d+gallelli

Topic: stains be gone I. Problem: Which substance is best for cleaning teeth? Will the more expensive cleaning agents be the most affective for removing stains? II. Materials: soak the 4 tiles in cool-aid for five days and then scrub each tile with one of the substances. (give each tile 15 strokes) Hypothesis: I beleave the baking soda will work best because it is a good cleaning substance .(and the cheapest) V. Data VI. Conclusion: the Baking soda removed most of the cool aid Journal Entires: #1i baught the tiles at home depot today
 * Crest Pro-Health toothpaste
 * Colgate(contains baking soda and peroxide)
 * Arm & Hamer Baking soda
 * Hydrogen Peroxide
 * 4 white square floor tiles
 * III. Procedure:**
 * 1) 2- tiles are soaking in the cool aid
 * 2) 3 tileas are done soaking getting ready to clean them
 * 3) 4 tiles are done getting scrubed
 * 4) 5materials for display board are collected
 * 5) 6 putting togethar board
 * 6) 7 board is complete
 * 7) 8 May 12, 2011- project is do and im bringing it into school