Materials List:
Engineering the Perfect Gummy Candy
https://www.teachengineering.org/activities/view/rice-2371-engineering-gummy-candy-hydrogels
Each group needs:
- 75 ml potable water
- 50 ml juice, such as sugar-free beet, orange, and apple
- 6 g unflavored Knox gelatin; 473 ml (16 oz.) containers are available online
- 75 ml graduated cylinder
- 50 ml beaker
- 0.5-1 cm magnetic stirring bar (coffee straws can work in a pinch)
- magnetic stirrer with hot plate attached to a temperature probe, or hot plate with clean thermometer or temperature gauge; examples available online
- flat Styrofoam plate
- small coffee filter
- plastic teaspoon
- silicone candy molds, available online
- plastic candy dropper (to transfer solution from beaker to mold)
- paper towels for clean-up
- digital scale (that can measure in both grams and ounces)
To share with the entire class:
- ice in cooler or a refrigerator
- gloves