Science: Soda Dragon Experiment

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This is one of our very favorite science experiments to with kids! Nothing like fizz and bubbles to get people excited about science!

What you need:

  • 3 bottles of 2 liter soda
  • 3 sleeves of Mentos
  • 3 pieces of white paper
  • Tape
  • Paper to decorate bottles
  • Print our Science Prediction Sheet

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This experiment is a great way to talk about “predictions” and “outcomes”. You can talk with your kids and make a prediction about which soda they think will shoot the highest when the Mentos are dumped in. Use the sheet we’ve made for this experiment and many others! In our classrooms, we would take a class vote and write down percentages and fractions of what our class thought.

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Decorating the dragons was fun, and they turned out SO cute! (Obviously it won’t change the outcome of the experiment, but it will definitely help with the visual of the bottle being fire-breathing dragons.

  1. Kids write down predictions
  2. Decorate Soda bottles
  3. Roll up white pieces of paper, tape the roll, dump Mentos in. (This is the easiest way we found to release the Mentos into the soda without them getting too stuck)
  4. Watch and see which soda blows the highest! Discuss predictions

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So, remember at the beginning when I said 3 bottles of 2 liter soda? Well, we found out through this epic #MOMFAIL that not all sodas are created equal for this experiment. We had the cutest intentions buying the $.89 colored soda we used (we wanted them to look like fire!), and we researched if the experiment would still work if we didn’t use Coke, Diet Coke or Sprite, and it said it should still work! Well…..it didn’t. So take it from us, spend the extra $5 and get the name-brand soda. 🙂

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Author: Tawni

Tawni is a former special education teacher, now stay-at-home momma. She spends her days reading, cooking with lots of cheese, listening to professional choral music, and tickling her baby boy, Cy. She lives with her husband and son in Utah.

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