Materials List:
Engineering Polymers from Potatoes
https://www.teachengineering.org/activities/view/usm-2287-engineering-polymers-potatoes
Each group needs:
- 100 g potatoes (the variety doesn’t matter)
- 250 mL beaker
- large watch glass, available online
- hot plate
- petri dish
- pH indicator strips (approx. 5-10 with testing)
- disposable pipettes (approx. 4-5)
- stirring rod
- 25 mL graduated cylinder
- 10 mL graduated cylinder
- goggles
To share with the entire class:
- vegetable grater
- food processor (at least one per class, but one for each group is preferred)
- tea strainer or mesh strainer or cheese cloth (at least one per class, but one for each group is preferred)
- 100-150 mL bottle of glycerol
- 100-150 mL bottle of 0.1 M hydrochloric acid
- 100-150 mL bottle of sodium hydroxide
- distilled water
- an assortment of plastics items such as water bottles, plastics bags, containers, and PVC