Your Safer Source for Science
All-In-One Science Solution
Your Safer Source for Science
Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Fax 866-452-1436
Email [email protected]
Item #: PF2091 

Price: $60.00

Engineering Design Challenge

In this lab experience, students are challenged to design a compound that removes the copper layer from the surface of a penny, leaving behind a highly polished zinc surface. Students will find that there is a trade-off between removal rate and the quality of the surface finish.

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Product Details

Safety: Before conducting the lab, review the safety precautions on the student page with the class. Then discuss any safety precautions that are specific to your science laboratory or classroom. Good ventilation is required since ammonium acetate can produce acetamide when heated.

Materials Included in Kit

Aluminium oxide, 100 g
Sodium chloride, 50 g
Glucose (Dextrose), 50 g
Oil, corn, 100 mL
Vinegar, 110 mL
Sandpaper, sheets, 9” x 11”, 2
Wax, blocks, 4

Microfiber cloths, 2