Newton's Disc Top

by Annika Anand in Craft > Reuse

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Newton's Disc Top

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Learn the physics of the composition of white light in a fun way through this toy version of Newton's Disc!

Supplies

You Will Need:

  • CD
  • Paints in all the 7 colors of the Rainbow (Roy. G. Biv)
  • Short Pencil
  • Black Marker
  • Measuring Tape
  • Clay

Marking the Disc

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Measure the circumference of the CD with the measuring tape and divide it by 7. Make a line with the marker from the center of the CD to the edges on the distance of the quotient found by dividing the circumference into 7 parts. This marks the 7 sections on which the different colors of the rainbow will be painted.

Coloring the Disc

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Now, paint the CD in the different colors of the rainbow in the following order:

  • Red
  • Orange
  • Yellow
  • Green
  • Blue
  • Indigo
  • Violet

Attaching the Disc to the Pencil

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Lastly, allow it to dry and insert the pencil in the middle of the CD. If the pencil is too thin then apply a layer of clay around it and try again you can adjust the thickness by adding or removing the layers of clay. Enjoy your top!