-Science Investigatory Project- I. Problem How can I make an all-natural whitening product which is affordable and environmental-friendly? II. Background of study Around the world millions of people spend a lot of money on buying dental whitening products for personal use. Having yellow teeth cannot only be embarrassing at times but also harm your self-esteem. It might make you conscious of your teeth whenever you feel the urge to flash your smile. A whitening product can be made up of natural or chemical ingredients. III. Hypothesis 1. The Utilization of strawberry and baking soda is effective to teeth whitener. 2. The Utilization of strawberry and baking soda is not effective to teeth whitener. 3. This is Effective because the content of baking soda has a natural cleansing ability. IV. Test a. Variables
Independent Variable: Baking Soda
Dependent Variable: Strawberry
Constant Variable: Salt b. Design of the Experiment
Equipment 1. Measuring spoons 2. Small plate 3. Pork 4. Small Basin
c. Materials * 5 tsp. Baking Soda
* ¼ tsp. Salt
* 2 tsp. Pureed strawberry
d. Procedure 1. Puree the strawberry 2. Put 5 tsp. of baking soda into a mixing bowl
-Baking soda has a natural cleansing ability and can be found in some commercial toothpaste. It’s non-toxic and will help polish your teeth. 3. Then add ¼ tsp. salt. 4. Add 2 tsp. of pureed strawberry 5. Mix