Magnetic Fluids

Teams work as material engineers to create ferrofluids, whose shape is influenced by magnetic fields. The activity, which is the fourth in the six-part series, has the teams create magnetic ink and use it to write, testing it with a magnet afterward. The groups continue to observe the fluid with and without the influence of a magnet and document their observations.

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Instructional Ideas

  • Research some uses of magnetic fluids
Classroom Considerations

  • The class should have a basic introduction to nanotechnology, characteristics, and applications
  • Activity requires several materials and scientific equipment 

  • Provides step-by-step instructions
  • The materials list gives suggestions on where you can find certain materials

  • None