Helping Hand

Reach out and grab something. Given the task of picking up objects at least two feet away, pupils design and build a grabber. The last activity in a series of five challenges requires learners to use information about fulcrums and levers.

9 Views 6 Downloads NGSS: Adaptable
Instructional Ideas

  • Research how 3-D printers make prosthetic hands
  • Conduct a mini-lesson on levers
Classroom Considerations

  • Requires pieces of cardboard along with other materials easily found in the classroom

  • Includes suggestions for extensions
  • Contains hints to help troubleshoot a design

  • None