Q&A for How to Make a Newton Disc

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How can I make an indigo color?

Community Answer

You could mix blue with purple, or add a wee bit of black to shade it.

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Question

How do I make indigo using watercolors?

Community Answer

Equal parts blue and red are used to make violet, whereas indigo contains more blue than red.

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Question

How do I make the stand for the Newton disc?

Community Answer

Use a small pencil or a needle. Some people use small motors with needles on top to make it rotate without using their hands.

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Question

How can I make the color violet?

Community Answer

To make violet, you will mix the colors red and blue.

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Question

What colours are the best to use? Poster colours crayons or sketches?

Community Answer

Any method of coloring the wheel is fine. The important thing is that you use the colors of the rainbow.

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Question

The color changes into a whitish hue - why not pure white?

Community Answer

Maybe you haven't balanced the colors correctly, it's very hard to do. The experiment is merely a proof of concept, I wouldn't get to hung up on the perfection of the result.

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Question

How can you make indigo by using water colors?

Community Answer

Indigo is a shade of purple that has more blue than red. Experiment with different quantities of red and blue until you get the color you are looking for.

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Question

What is the point of a newton disc?

Community Answer

A newton disc can show that white light is made of violet, indigo, blue, green, yellow, orange and red.

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Question

Can I use a string instead of pencil?

Community Answer

Yes. Use sewing string.

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Question

What angle should I make each sector?

Siddhu12

Community Answer

There are seven colors, and the angle of the whole circle is 360 degrees, so if you're really worried about the exact angle, just divide 360 by 7. That should give you the angle of one sector. You really don't need to be that precise though; as long as the sectors look more or less the same in shape, you should be okay.

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Question

Can I color it by changing the position of colors?

Community Answer

No. The order of the colors must be as indicated.

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Question

How can I make hole without punching machine?

Community Answer

Use a sharp object instead.

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Question

What will happen if I rotate it?

Community Answer

It will turn white.

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Question

How to divide into seven parts?

Community Answer

You do not divide it into seven parts. Instead, it will be in six parts; red, yellow, blue, orange, violet and green as those are the colors of the visible spectrum.

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Question

Should the colors be even?

Community Answer

Yes, the colors should be even.

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Question

What is the goal of this experiment?

HelloWorld12345

Community Answer

The goal of this experiment is to show that white light is composed of different colors.

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Question

How do I make a purple color?

Community Answer

Purple and violet are similar. Violet is a secondary color that you can make by mixing red and blue.

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Question

What will happen if my colors aren't even?

Community Answer

If your colors aren't even, then you won't get the desired white color.

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Question

Where can I find videos about the Newton disc?

Community Answer

There are a few videos on YouTube about making the Newton disc and how it works.

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Question

What are the conclusion and observation of the activity

Community Answer

This activity proves white light consists of seven colors. These colors are violet, indigo, blue, green, yellow, orange and red.

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Question

How can I make the color green?

Community Answer

Mix yellow and blue to create green. The shade of green will depend on how much of each individual color you add to the mix.

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Question

Can I use 3 colors to make a Newton disc?

Aqsa Azam

Community Answer

You need to include all the colors of the rainbow to make the Newton disc, because white light is made of 7 colors of the rainbow (red, orange, yellow, green, blue, indigo, violet), not 3 colors.

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Question

Does the size of my Newton disc matter?

Aqsa Azam

Community Answer

It should be small enough to spin easily, and big enough for you to observe the color change.

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Question

What is the application of Newton's disc in real life?

Aqsa Azam

Community Answer

The science behind Newton's disc can be applied to rainbows. Rainbows are formed when white light from the sun bends because of water vapors in the air and separates into 7 colors.

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Question

Can I use 8 equal sides instead of seven when making a Newton Disc?

Community Answer

No. Because a Newton Disc has seven colors, we have to divide it into only seven segments.

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Question

How can it be divided into 7 parts?

Community Answer

If you make each section about 51.4 degrees, then you will have even sections.

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Question

Can I use any other thing in place of a pencil or a needle?

Community Answer

Yes. You could use a pen, sewing string, or a marker would work too. What you are working with will depend what size the hole is though.

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