Properties of Toothpaste

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. Teacher's Manual and Student Study Guide copymasters are included.

Kit Includes:

• 1 x 30 ml Hydrochloric Acid UN1789
• 1 x 100 ml Glycerin
• 1 x 25 g Sodium Lauryl Sulfate UN1325
• 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
• 45 Graduated Plastic Pipettes

DOT: Small quantity exemption 173.4. THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only

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