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Dancing Raisins Science Experiment

Science is so much fun, because if you understand the underlying principles, everyday items can be made to behave in strange and unusual ways. This dancing raisins science experiment is a great way to impress kids as young as preschool as well as demonstrate some basic chemical reaction concepts to kids as old as middle school.

Dancing Raisins Science Experiment for Kids - This is such a fun science project for preschool, kindergarten, 1st grade, and 2nd grade kids. They will be amazed as they see chemical properties at work (science, homeschool, kids activities)

Dancing Raisins

This Dancing Raisins Science Experiment uses the same chemical reaction behind the well-known homemade volcano project and the self-inflating balloon experiment. When vinegar (an acid) reacts with baking soda (a base) one of the products of the chemical reaction is carbon dioxide, a gas. In the volcano, the gas creates a bubbly solution which comes oozing out of the volcano. For the balloon experiment, the gas fills up the balloon. This dancing raisins science experiment has a more subtle effect, but still impressive.

Basically, by adding baking soda and vinegar to another liquid, like water, the liquid becomes filled with many bubbles which rise to the surface and pop. If a light object is placed inside the liquid, such as raisins or peanuts, the bubbles stick to the surface of the light objects, increasing their buoyancy, and causing them to rise to the surface with the bubbles. When the bubbles pop at the surface of the liquid, the objects, which on their own are more dense than the liquid, then fall back to the bottom. On the way down and while sitting on the bottom, they collect more bubbles, causing the process to repeat for several minutes. Eventually, either enough of the reactants will be used up to stop the process or enough air bubbles will get trapped inside the raisins to make them remain floating on the surface.

baking soda science experiment

Dancing Raisins Experiment


  • A clear drinking glass half-filled with water
  • About 1 Tbsp baking soda
  • Enough vinegar to fill the remainder of the glass
  • 3 raisins, cut or ripped in half
  • A spoon


EASY Science Experiment

but baking soda into the water in a glass

First, use your spoon to place about a tablespoon of baking soda into the glass half-filled with water. The exact amount is not important.

stir to dissolve

Stir the baking soda until it is dissolved in the water.

pluck raisins in the mixture

Drop the 6 raisin halves into the glass.

pour vinegar in the glass

Next, pour some vinegar into the glass until it is about 3/4 full.

gently shake the jar to begin the chemical reaction

You may need to jostle the raisins a bit with your spoon to get them going. If this doesn’t work, try adding a little more vinegar. If this still doesn’t work, try cutting the raisins into smaller pieces to make them even lighter.

Dancing Raisins Science Experiment

Watch in amazement as your raisins slowly rise to the surface, then fall back down, over and over again.

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Science for Kids

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About the author

Beth Gorden

Beth Gorden is the creative multi-tasking creator of 123 Homeschool 4 Me. As a busy homeschooling mother of six, she strives to create hands-on learning activities and worksheets that kids will love to make learning FUN! She has created over 1 million pages of printables to help teach kids ABCs, science, English grammar, history, math, and so much more! Beth is also the creator of 2 additional sites with even more educational activities and FREE printables - www.kindergartenworksheetsandgames.com and www.preschoolplayandlearn.com

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