Science Project:

Laser Jet Toner: a Magnetic Fluid

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Middle School Science Science Projects: Laser Jet Toner: a Magnetic Fluid

Research Questions:

  • Why does the fluid contort into different shapes?
  • Are there other fluids that are magnetic?
  • What makes them magnetic?

Materials:

  • Magnets of varying size and strength
  • Laser jet toner (Ferro fluid)
  • Beaker
  • Pure vegetable oil
  • Stirring stick
  • Long, clear bottle, jar or flask

Experimental Procedure

  1. Pour 50mL of toner into the beaker.
  2. Pour in 30mL of pure vegetable oil.
  3. Stir it to a nice thin consistency. (If it is too thin, it might not work properly.)
  4. Pour the mixture into the long container.
  5. Touch a magnet to the container. Observe what happens to the fluid. (It should move with the magnet and contort into intriguing shapes.)
  6. Experiment with using other magnets. See what happens when you drop the magnets into the liquid.

Terms/Concepts: Magnetism, magnetic fluid

References:Magnetism: http://www.factmonster.com/ce6/sci/A0831162.html

Author: Danielle Abadam
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