Science project

The Drawbacks of an Optical Mouse


  • One wireless optical mouse
  • Black mouse pad or black surface
  • Light colored or white surface
  • Piece of transparent glass
  • Mirror
  • A computer, of course


  1. Attach the optical mouse to your computer.
  2. Slide the white surface underneath your mouse. Observe if the mouse moves and responds easily.
  3. Now, replace the white surface with the black surface. What happens?
  4. Try putting a mirrored surface underneath, now what happens?
  5. Finally, try the transparent glass. Does the mouse move at all?
  6. Compare the different surfaces and research why some might be better than others.
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