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How to Make a Wave Machine

Waves are made when wind brushes over the surface of the water. The wave forms in the ocean and then breaks near the shore. A wave machine can be made as a craft or for something more advanced, like a science project. Wave machines are helpful in demonstrating how waves break when they approach the shore. In this project, a white foam background is used to add depth and dimension to the waves.

Things You'll Need

  • 3-inch-by-4-inch-by-1-inch clear plastic bottle with screw-on lid
  • Hot glue
  • Plumber's tape
  • Mineral oil
  • Water
  • Blue food coloring
  • White craft foam
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Instructions

    • 1

      Buy a clear plastic bottle with a lid that will screw on tightly.

    • 2

      Cover half of the bottle lengthwise with a sheet of foam by gluing on the foam.

    • 3

      Fill 1/3 of the bottle with water.

    • 4

      Add blue food coloring one drop at a time until the water is the color you would like.

    • 5

      Add mineral oil to the mixture. Fill the bottle with mineral oil until the consistency reaches the rim of the bottle.

    • 6

      Wrap plumber's tape around the area of the bottle where you will secure the lid. These are called bottle threads.

    • 7

      Place the lid on the bottle and secure tightly.


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