Mentos Experiment Date 115 Question Which liquid will

Mentos Experiment Date: 11/5 Question: Which liquid will have the greatest reaction if we put Mentos in Coke, Diet Coke, Sprite, and Carbonated Water as measured by loss of mass? Materials: • Mentos candy (28 pieces total) • Coke (2 liter bottle) • Diet Coke (2 liter bottle) • Sprite (2 liter bottle) • Carbonated Water (2 liter bottle) • Test tube and index card • Goggles

Procedures: 1. 2. 3. 4. Stick 7 Mentos in a test tube. (x 4) Measure the mass of 4 bottles & Mentos. Open 4 bottles of soda/water. Drop Mentos into soda/water and move away quickly. 5. Record qualitative data of reactions. 6. Measure the new mass of each bottle.

IV: Types of liquid DV: Amount of mass lost Constants: 7 Mentos per test tube, 2 liter bottles, Mentos dropped in at the same time

Research: Ingredients of… Coke Diet Coke Sprite Carbonated water Mentos Hypothesis: If we put Mentos in Coke, Diet Coke, Sprite and Carbonated Water, then ______ because ________________.

Data Table: Liquids Mass of Mentos Carbonated Water Sprite Coke Diet Coke Qualitative Data: Mass of Bottle Total Before Mass Total After Mass Lost % of Mass Lost

Mentos Experiment! • No QOD! • Get your notebook out and open it to the Mentos experiment. • Make sure you have your coat or sweatshirt. If not, go get it before the bell! • Make sure you take your notebook and a writing utensil outside with you (or you will be sent inside to the office to wait until we are done).

Power Conclusion: Restate the purpose of the investigation or the question you asked. • The purpose of the investigation was ______. 2. Explain what you thought would happen using your hypothesis. • I thought that ______. 3. State whether your hypothesis is supported or not. • I found out ______. 4. Use your data (actual numbers from data table) to explain why the hypothesis was or was not supported. • Example: The average distance was 35 cm and I thought it would go longer. 5. Explain any errors or possible errors in the lab. • _____ could have affected my results because ____. 6. Connect your findings to the science concept you’re studying. • The data proves ______. (physical or chemical w/ reasons) • The Law of Conservation of Mass does/does not apply because ___. 7. Future research/Improvements • In the future, I could extend my research by _____. • This experiment could have been improved by _____. 1.

QOD #45 • Was the Mentos experiment a physical or chemical change? Give multiple reasons for your answer. (Use RAP – or you will have to redo this one. )

Mentos Experiment Data – All Classes Liquids 1 st Hour 3 rd Hour 4 th Hour 6 th Hour 7 th Hour Carbonated 0% Water 11. 1% 10. 1% 20. 7% 22. 9% Sprite 63. 1% 64. 9% 63. 2% 64. 0% 63. 4% Coke 62. 5% 60. 5% 62. 3% 64. 8% 65. 9% Diet Coke 68. 1% 65. 0% 62. 8% 68. 5% 66. 1% Average of 5 classes

Make a Graph

QOD #46 • What do you look for when deciding if an internet source is reliable or not? (Give several factors. )