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How to make Newton’s Wheel working model for a science exhibition

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Creating a Newton’s Wheel working model for a science exhibition with seven colors, a DC motor, a switch, and wires is a fun and educational project. Newton’s Wheel demonstrates the concept of color blending using the principles of persistence of vision.

Here’s how you can make it:

Materials Needed:

  1. Cardboard (for the wheel and the base)
  2. DC motor
  3. Switch
  4. Wires
  5. Markers or colored paper (seven different colors)
  6. Glue or tape
  7. Battery holder (if not using a power adapter)
  8. Power source (battery or adapter)

Steps by Step Video Instructions:

Newton’s Wheel working modelNewton’s Wheel working model
  1. Prepare the Wheel:
    • Cut a circle out of cardboard to create the wheel. It should be large enough to display all seven colors.
    • Divide the circle into seven equal parts and mark them.
    • Cut colored paper or use markers to color each section in one of the seven colors of the rainbow: red, orange, yellow, green, blue, indigo, and violet.
  2. Attach the Wheel to the Motor:
    • Glue or tape the cardboard wheel onto the shaft of the DC motor.
    • Make sure the wheel is securely attached and centered on the motor shaft.
  3. Create the Base:
    • Cut a piece of cardboard to serve as the base for the Newton’s Wheel.
    • Attach the DC motor to the base using glue or tape, ensuring it’s stable and won’t move during operation.
  4. Connect the Components:
    • Connect one terminal of the DC motor to one terminal of the switch using wire.
    • Connect the other terminal of the switch to the positive terminal of the power source (battery or power adapter).
    • Connect the other terminal of the DC motor to the negative terminal of the power source.
  5. Test the Circuit:
    • Make sure the switch is off.
    • Connect the power source to the circuit.
    • Turn on the switch.
    • The motor should start spinning, rotating the wheel.
  6. Observe the Effect:
    • When the wheel spins, the colors will blend together due to persistence of vision, creating the illusion of white light or a mix of colors depending on the speed of rotation.
    • Adjust the speed of the motor by turning the switch on and off to see different blending effects.

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