Polymers

[...]scientists and engineers are working to make polymers that have less of a negative impact on the environment by engineering ones that are more easily recyclable or that degrade much faster once their intended use is completed. Evaluate Because it takes time for polymers to decompose, ask students to consider alternatives to plastic polymers by having them read about the pros and cons of plastic food storage containers versus metal and glass containers. Materials Materials * 1 zip-top baggie per group * 3 to 5 sharpened wooden pencils per group * tap water * Scotch Safety notes Participants should wear indirectly vented chemical safety goggles and gloves during all phases of the activity.