The Action |
Raisons added to a mixture of baking soda and vinegar will "dance" up and down in the jar. | ||
Grade Level |
Grade 1 - Motion
Grade 3 - Properties of Matter Grade 5 - Matter and its changes Grade 7 - Force and Motion Grade 9 - Fluids and Pressures |
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Materials |
Clear Jar
Vinegar Baking Soda Raisins |
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Instructions |
Fill the jar about half full with vinegar. Add the raisins. Add baking soda a little at a time until you observe the raisins in motion. | ||
Safety |
Adding the baking soda slowly in small amounts will avoid a large mess.Make sure the students do not eat the raisins after the experiment | ||
Hints |
If raisons are not effective try small pieces of spaghetti. Add some food coloring to the vinegar so that the spaghetti is easier to see. | ||
Science Principle |
This is a good example to show children how two substances can create a reaction. The baking soda causes the vinegar to release carbon dioxide gas. The gas bubbles then stick to the raisins and cause them to bounce up and down in the liquid. | ||
Video Clip |
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