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Grocery Bag

Chemists are stretched to their limits with a polymer lesson. They cut strips from a plastic shopping bag and hang weights from them to discover which holds the most. The also pull Velcro apart in a similar investigation. Thorough background information on polymers and plastics is provided, along with a photograph of the lab setup to make it more clear. You will also find student activity sheets and an assessment rubric.

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Resource Details

7th - 12th
2 more...
Resource Type
Lesson Plans
2 hrs
Instructional Strategy
Inquiry-Based Learning
Scientific Equipment
Included Materials
  • Activity Sheets 1-2
  • Activity
  • Rubric