TeachEngineering
Teach Engineering: Let's Make Silly Putty
Students make two different formulations of imitation Silly Putty with varying degrees of cross-linking. They witness how changes in the degree of cross-linking influence the putty properties.
Science Education Resource Center at Carleton College
Serc: Mn Step: Shrinky Dink Chemistry
In this lesson, students first learn about thermoplastics, and about polystyrene in particular, which is a #6 plastic. They will then heat different #6 plastics to create shrinky dinks. As they are heated, they shrink, which is a...
Science Buddies
Science Buddies: Turn Milk Into Plastic!
In this hands-on lesson plan, students will conduct a simple milk-transforming experiment to explore how plastics can be derived from a natural resource such as milk.
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