Innovating Science® 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: 30mL 100mL 25g 25g 150g 3 tubes 1 Pkg/50 1 Pkg/50 1 Pkg/15 45 45
Hydrochloric Acid UN1789 Glycerin Sodium Lauryl Sulfate UN1325 Gum, Arabic Calcium Carbonate Toothpaste Universal Indicator Strips Fluoride Test Strips Acetate Sheets Polystyrene Test Tubes Graduated Plastic Pipettes
DOT Info: Small quantity exemption 173.4 This package conforms to 49 CFR 173.4 for domestic highway or rail transport only
WARNING: This product can expose you to chemicals including Respirable crystalline silica, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
IS9350 $95.40
Properties of Soaps and Detergents
Though similar in function, soaps and detergents differ in chemistry and performance. Students will examine the similarities and differences in the properties of soap, hand dishwashing detergent, and machine dishwashing detergent, all provided in the kit. Activities include testing pH, examining the effect of soap and detergent on the surface tension of water, foaming ability, fat emulsification, and the performance of soap and detergent in hard water. Kit contains enough materials for fifteen groups. Teacher’s Manual and Student Study Guide copymasters are included. Kit Includes: 25 mL 25 mL 25 mL 60 mL 60 mL 60 60 60 60 1 Pkg/50
Liquid Soap Dishwashing Detergent (Hand) Dishwashing Detergent (Machine) Vegetable Oil Calcium Chloride, 5% Solution Disposable Medicine Cups Polystyrene Test Tubes Capillary Tubes Graduated Plastic Pipettes Universal Indicator Strips
DOT Info: Non-Regulated
IS9351 $67.90
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