Introduction

Aren’t rainy days one of the lovely things to observe and see! During a rainy day, we all seek out to experience the rainbows and a rainy day is always a lovely experience to have. Isn’t it? A rainy day is a lovely day and a rainbow makes it even more better.

The thing about rainbows is that they can be seen in the sky only after the rainy day. This happens when the rays of the sun bounce off from the drops that remain in the atmosphere after the rain. This is completely science and this is what makes rainbows look so beautiful and pretty. As soon as it happens, the colours split out into the different colours of the rainbow.

But how does the idea of holding the colours of the rainbow in the jar sounds? Isn’t it spectacular? The whole thing is and for the entire experiment, the two things that are compulsory includes a glass or water or some transparent substance.

The Question is, how can you use all of this to make a rainbow in a petty jar?

 

Apparatus

  1. A Jar
  2. Dishwashing Liquid – ½ cup
  3. Olive Oil – ½ cup
  4. Rubbing Alcohol – ½ cup
  5. Light Corn Syrup – ½ cup
  6. Different Food Colouring
  7. 5 Bowls for Mixing
  8. Measuring Cup

Procedure

Step 1

To make the purple layer, which is the first colour of the rainbow, you need to mix a half cup of corn syrup with red and blue food colouring. Take one drop of each to form the colour purple.

To make the purple layer, which is the first colour of the rainbow, you need to mix a half cup of corn syrup with red and blue food colouring. Take one drop of each to form the colour purple.


Step 2

Now, put it very carefully at the bottom of the jar.

Now, put it very carefully at the bottom of the jar.


Step 3

Use the dishwashing soap and put it by the side of the jar.

Use the dishwashing soap and put it by the side of the jar.


Step 4

Take half cup of water and mix it with green food colouring. Carefully add this green water to the side of the jar for it to settle down.

Take half cup of water and mix it with green food colouring. Carefully add this green water to the side of the jar for it to settle down.


Step 5

Add half a cup of olive oil and slide it down by the side of the jar.

Add half a cup of olive oil and slide it down by the side of the jar.


Step 6

Take two drops of red food colouring and mix it with half a cup of rubbing alcohol.

Take two drops of red food colouring and mix it with half a cup of rubbing alcohol.


Step 7

Take this mixture and add to the jar very carefully.

Take this mixture and add to the jar very carefully.


Step 8

Be very careful with the colours and the liquid in the jar and make sure that they are not disturbed. Have a good time enjoying your rainbow.

Be very careful with the colours and the liquid in the jar and make sure that they are not disturbed. Have a good time enjoying your rainbow.


Result

After the experiment is done, you can find a beautiful layered rainbow in a jar by seeing the distinct lines in the liquid jar.

Conclusion

Have fun with the rainbow jar and admire the whole thing with your heart.

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