Science Project : What Toothpaste Whitens Teeth the Best?
Download includes all components of the scientific process. Question, Procedure, Materials, Predictions, Results, and Conclusion.
Dye hard boiled eggs with tea and then conduct experiment to see which toothpaste whitens the egg best. I gave each table one toothpaste, 1 toothbrush, and 1 egg. They brushed for 5 minutes and then we photographed the results. You can insert your class pictures on the project.
This is a fun and great way to teach students about the scientific process!