Smash Science

This Smash Science lesson plan also includes:

Here's an activity that uses pennies to explain separating out automobile materials Groups calculate and compare the densities of pennies that have been manufactured in different years. The resource challenges teams to make the connection between calculating densities and the ability to separate materials from recycled automobiles by using density. 


22 Views 17 Downloads NGSS: Adaptable
Instructional Ideas
  • Calculate the density of copper and zinc to help compare the density of the pennies
  • Have the class determine a method to separate materials based upon their densities
Classroom Considerations
  • You will need to collect pennies from 1980 through 2000
  • The seventh in a nine-part series on recycling
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
  • The teacher pages contain suggested answers
  • The extension has pupils find out about the environmental impacts of not recycling cars
  • None