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    Home » Early Years Science » Preschool Science » Why can you see a rainbow in bubbles?

    Why can you see a rainbow in bubbles?

    June 4, 2012 By Emma Vanstone 30 Comments

    Bubbles are one of the most fun things to play with…but what colour are they?

    Transparent? Clear?

    How about if you could make your bubbles all the colours of the rainbow?

    Well you can in this very simple experiment.

    How to make rainbow bubbles

    An empty clear bottle

    Washing up liquid

    Water

    A sink

    An overcast day (works best)I

    Fill the bottle about three quarters full with water

    Rainbow Bubbles, Science-Sparks

    Add a squirt (scientific measuring there) of washing up liquid

    How to find a rainbow in a bubble

    Quickly tip the bottle and pour the water out fast.

    Find a rainbow in a bubble

    You will find that the bottle is left full of bubbles.

    Rainbow Bubbles

    These will look clear and normal to begin with but place the bottle on a windowsill and wait and watch over the next 30 seconds.

    Rainbow Bubbles
    Rainbow Bubbles

    You will find that the bubbles will start to show signs of colour that will get stronger and stronger and that each bubble will look like it has been coloured like a rainbow!

    Why can you see a rainbow in bubbles?

    Visible Light from the sun is known as white light. It contains a range of colours all with different wave lengths that when together form white light.

    The colours of the rainbow are:

    Richard Of York Gave Battle In Vain

    Red, Orange, Yellow, Green, Blue, Indigo and violet

    When white light from the sun shines through the film of the bubbles, the light is reflected and dispersed, splitting white light into its different wave lengths revealing all the colours of the rainbow!

    Why can you see a rainbow in bubbles? #Scienceforkids #sciencequestions

    Last Updated on July 5, 2019 by Emma Vanstone

    « How does the Universe expand?
    Food Groups »

    Safety Notice

    Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources.

    These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. The adult involved is fully responsible for ensuring that the activities are carried out safely.

    Reader Interactions

    Comments

    1. Eddie

      June 04, 2012 at 12:48 pm

      It’s been raining for days here,and overcast would be an understatement, so we’ll have to try this out! Thanks for sharing!

      Reply
      • ScienceSparks

        June 08, 2012 at 6:32 pm

        Let us know if you like it!

        Reply
    2. Kylie @ Octavia and Vicky

      June 05, 2012 at 11:39 am

      Such a simple idea, but so much learning. Love it!

      Reply
    3. oana79

      June 05, 2012 at 1:05 pm

      How simple, my toddler will definitely enjoy the experience and me the lack of mess. Thanks for sharing!

      Reply
      • ScienceSparks

        June 08, 2012 at 6:32 pm

        So glad you liked it!

        Reply
    4. Michelle

      June 06, 2012 at 6:27 pm

      I voted for you to win the school category of the MADS blog contest. I hope you win, you have a truly awesome blog.

      Reply
      • ScienceSparks

        June 08, 2012 at 6:33 pm

        Thank you very much. It is appreciated. xx

        Reply
    5. playfullearners

      June 07, 2012 at 12:13 pm

      The weathers not too great here this week and I have a great big bottle of bubble mix in the cupboard. I think they may be coming out today :0)

      Reply
      • ScienceSparks

        June 08, 2012 at 6:33 pm

        let us know how you got on.

        Reply
    6. amber

      June 07, 2012 at 2:25 pm

      easy and fun thanks for sharing

      Reply
      • ScienceSparks

        June 08, 2012 at 6:33 pm

        Glad you liked them x

        Reply
    7. Melissa Taylor

      June 07, 2012 at 2:39 pm

      FUN! We love bubbles – can’t wait to try this version, thanks.

      Reply
      • ScienceSparks

        June 08, 2012 at 6:33 pm

        Have fun! x

        Reply
    8. Suzanne

      June 07, 2012 at 8:43 pm

      How very pretty! So easy to do, too!

      Reply
      • ScienceSparks

        June 08, 2012 at 6:33 pm

        Super easy! thats what we like. x

        Reply
    9. jackie @ happy hooligans

      June 09, 2012 at 3:22 am

      Wow! This is so cool! We’ll be doing this for sure! (and I’ve never hear the Richard of York phrase! We say Roy G. Biv, but quite honestly, when I was a kid, I used to get mixed up and say Roy B. Giv so it wasn’t a sure-fire way to remember the order for me lol)

      Reply
    10. Jamie

      June 09, 2012 at 11:49 am

      Very fun and yet simple (doable) idea! Thanks for sharing! I’ll have to try this with my kids.

      Reply
      • ScienceSparks

        June 10, 2012 at 9:34 pm

        let us know how you get on!

        Reply
    11. maggy, red ted art

      June 09, 2012 at 5:44 pm

      Oooh great explanation. We do love bubbles and the rainbow is always such a special magical part of them.

      Thank you for sharing on Kids Get Crafty!

      Maggy & Alissa

      Reply
      • ScienceSparks

        June 10, 2012 at 9:34 pm

        Thanks Maggy!

        Reply
    12. Cerys @ Rainy Day Mum

      June 11, 2012 at 8:04 pm

      What a great way to show the visible light experiment and no need for prisms or light boxes 😀

      Thank you for linking to Tuesday Tots this week.

      Reply
    13. Carrie

      June 15, 2012 at 2:20 am

      Oh, this looks like so much fun!! We will definitely have to give this one a try. Thanks for sharing at Sharing Saturday!!

      Reply
      • ScienceSparks

        June 16, 2012 at 8:33 am

        So easy as well! Just minutes and really effective.

        Reply
    14. Jane

      March 08, 2017 at 9:23 pm

      Woah! I’m really loving the temmtate/lhepe of this site. It’s simple, yet effective. A lot of times it’s tough to get that “perfect balance” between usability and visual appeal. I must say you’ve done a awesome job with this. Additionally, the blog loads extremely quick for me on Safari. Outstanding Blog!

      Reply

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