Root Beer Floats = FUN in science!

Published October 15, 2012 by Mindi Vandagriff

Who says science can’t be yummy? Today, our class not only enjoyed a classic treat, but made the states of matter something we could see… and eat!

First, students drew and labeled the three states of matter (in root beer float form) in their science journals.

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After being shown the ice cream (solid form) and root beer (liquid form) in clear glass jars, students predicted what might happen when the two ingredients were combined. Students predicted that we might see a gas (fizz). Some students predicted that the root beer might melt the ice cream and others predicted that the ice cream would change colors.

Before we added ice cream to the root beer jar and root beer to the ice cream jar and predicted what might happen in each jar. Some students predicted that the same thing might happen in both jars because the same two ingredients were present and others predicted that the effect would be different because we added different things to both jars. We soon found out that the change was different!

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When we added ice cream to the root beer jar, the foam didn’t rise as high as when we added root beer to the ice cream jar. Both fizzed (gas form) as we suspected.

Next, students got to try their own personal experiment! But before combining the solid and the liquid, students made observations (with their senses) about the different forms of matter and wrote them in their science journals. Then, the combining began!

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Finally, we enjoyed our tasty root beer floats while we wrote a paragraph on “How to Make a Root Beer Float!”

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