Dancing Raisins Science Experiment for Kids

We absolutely love science experiments and projects here! They are such a great way to build on children’s natural curiosity and encourage critical thinking. This dancing raisins science experiment was one of Lucy and Theo’s favorites! 

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Dancing Raisins Science Experiment~ Buggy and Buddy

Welcome back to Science Invitation Saturday! Last week we made some chromatography butterflies.  Today we were reading one of Lucy’s science books and came across this fun experiment~ dancing raisins!

Dancing Raisins Science Experiment

Materials

  • raisins
  • 2 clear glasses
  • carbonated water and regular tap water

Procedure

  1. Pour some carbonated water into a clear glass.
  2. Add some raisins and watch what happens.

The raisins begin rising up to the top of the glass and then going back down again. The kids were mesmerized!

Dancing Raisins Science Experiment~ Buggy and Buddy

 

Questions to Spark More Curiosity & Critical Thinking:

What do  you see? What do you think makes the raisins go up? And why do you think they go back down again?

Some observations and questions Lucy came up with as she was experimenting~

“I wonder what will happen if I push the raisin down with my finger. Will it come back up?”

“I think the bubbles lift the raisins up and down.”

“I wonder what would happen if I put this cap in the water.”

 

Then we also got out a glass of regular, non-carbonated water to see what would happen and make comparisons.

Dancing Raisins Science Experiment~ Buggy and Buddy

“The raisins sink in the regular water.”

“The cap floats in the regular water. I think it will sink in the bubble water. Nope.”

“Lets see what these beads do in the water.”

“I wonder why the raisins are not going up and down anymore. Maybe we should take them out and then put them back in.”

 
Want to go even further?

Even more activities to inspire creativity and critical thinking for various ages.

    • Think of a way to record what you observed. 
    • What other materials might ‘dance’ in the bubbly water? Why? 
    • Try this experiment, but instead of using carbonated water, use a mixture of baking soda and vinegar. What happened? 
    • Time how long it takes one raisin to rise after being dropped in the water. Does the time increase, decrease or stay the same over time? Why?
    • Related book~ The Magic School Bus Ups And Downs: A Book About Floating And Sinking (affiliate link)

Dancing Raisins Science Experiment~ Buggy and Buddy

Explanation: The tiny bubbles of carbon dioxide stick to the raisins at the bottom of the glass and carry them up to the surface. Once enough of the bubbles pop, the raisins sink down again, and then begin collecting more bubbles.

If you liked this post, you may also enjoy these posts:

Finding Symmetry in Nature

Colorful Chemical Reactions

Make a Penny Turn Green

Baggie and Pencil Magic

 


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Fizz, Pop, Bang! 40 Playful Science and Math Activities for Kids


Comments

  1. What a fun experiment for the kids! I like all of the open-ended questions, and I loved the extension suggestions. Thanks for sharing this!

  2. Looks lie they greatly enjoyed it :-)

    Thanks for sharing at Sharing Saturday!

  3. looks *LIKE* they greatly enjoyed it…:-) where is the edit button?!? …lol…;-)

  4. this is great, a little food science. I would love if you linked this or other food fun with is on Fridays, #kidsinthekitchen theme http://www.connectingfamilyandseoul.com/2013/03/a-healthy-spring-snack-for-kids-from.html

  5. We had a waiter bring over one like this, and it entertained my kids for 20 minutes. I need to try this at home sometime.

  6. Oh this is a fun experiment. We did this a few weeks ago and my girls LOVED it. I just love getting the kids excited about science. Thanks for sharing on We Made That!

  7. Pinning this cute experiment for future fun!

    Thanks for sharing with us at Eco-Kids Tuesday! Hope you join us again today! http://likemamalikedaughter.blogspot.com/2013/03/flip-trainer-review-at-eco-kids-tuesday.html

  8. What a great way to learn about bubbles and floating. My guess is that they ate the raisins when you were done, too. I hope you’ll consider adding this (and many of your other posts) to Look What We Did. Here is a direct url: http://hammocktracks.com/buttons/

  9. Wow – love this idea! Just found you through pinterest and going to be checking back for more!

  10. Amber Ratza says:

    Is this done with cold water or room temperature?

    • To be honest, I don’t remember the temperature of the water. It was quite a while ago. It’d be a fun experiment to try both and see which works better!

Trackbacks

  1. […] to another Science Invitation Saturday! Last week we had fun with Dancing Raisins! This week we’re going to explore the power of water. It’s an experiment that’s […]

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  6. […] most recent science provocation was dancing raisins.  Super cute, fun idea that I got from Buggy and Buddy, one of my go-to resources for science inspirations.  I had it all set up, a tray for each family […]

  7. […] Dancing Raisins: This is always a favorite with both my children! This science activity led to all kinds of questions and additional ideas the kids wanted to try out! […]

  8. […] Dancing Raisins: For this experiment you only need a few items from your kitchen. Lucy and Theo both LOVED this science demonstration, and it really encouraged Lucy to come up with many of her own theories to test out. […]

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