Properties of Toothpaste

Description

The history of teeth cleaning agents actually goes back thousands of years. Toothpaste as we know it today however is a comparatively recent development. In this activity, students will investigate several properties of toothpaste samples, provided in the kit, including presence of fluoride, pH, abrasiveness, and foaming ability. As a second activity, students will use the included materials to create their own toothpaste. Kit contains enough materials for fifteen groups.

Kit Includes:

1 x 30 ml Hydrochloric Acid
1 x 100 ml Glycerin
1 x 25 g Sodium Lauryl Sulfate
1 x 25 g Gum, Arabic
1 x 150 g Calcium Carbonate
3 tubes Toothpaste
1 Pkg/50 Universal Indicator Strips
1 Pkg/50 Fluoride Test Strips
1 Pkg/15 Acetate Sheets
45 Polystyrene Test Tubes