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Exploding Ziploc – Chemical Reaction

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In today’s experiment you will be able to watch a chemical reaction. In this experiment vinegar (a substance) and baking soda (a substance) will mix together. When mixed together the molecules of the two substances will re-arrange, or change, to make new substances. Read on to find out how this chemical reaction results in an exploding ziploc!

Vinegar has acetic acid in it. The chemical name for baking soda is sodium bicarbonate. When you mix the two together you get sodium acetate and water. You also get carbon dioxide, which is a gas. The bag puffs up because carbon dioxide is a gas and takes up a lot of space. Eventually the bag isn’t big enough to hold all that carbon dioxide gas so it becomes an exploding ziploc!

You Will Need

Try it at Home! You Will Need:

  • Measuring Cups and Spoons
  • Baking soda
  • Vinegar
  • Snack size ziploc bag
  • Quart size ziploc bag

Measure one tablespoon of baking soda into a quart size ziploc bag. Measure 1/2 cup of vinegar into the snack size ziploc bag and zip the bag closed. Put the snack size ziploc bag full of vinegar into the quart size ziploc bag with the baking soda in it. Get as much air as possible out of the quart size bag before zipping it closed. Go outside! Stand in the middle of your yard. Grip the snack size ziploc bag from the outside of the quart size bag and pull it open. As soon as the vinegar starts to mix with the baking soda drop the bags into the grass and watch what happens.

If your bag inflates, but does not explode, try increasing the amount of baking soda and vinegar. If you do this, be sure to drop the bag quickly and take several steps away after you mix the two substances together – when the bag explodes it splashes vinegar everywhere…which does not feel good in your eyes. See the dog’s nose and eyes? Too close! And…it goes without saying to do this OUTSIDE. To investigate chemical reactions further – try some more experiments at home!

Websites, Activities & Printables

You can also ask a math and science expert for homework help by calling the Ask Rose Homework Hotline. They provide FREE math and science homework help to Indiana students in grades 6-12.

e-Books & Audiobooks

Use your indyPL Library Card to check out books about chemistry at any of our locations, or check out chemistry e-books and audiobooks from OverDrive Kids right to your device! If you have never used OverDrive before, you can learn how to use it for both e-books and audiobooks.

Need more help? Ask a Library staff member at any of our locations or call, text or email Ask-a-Librarian. Additionally, the Tinker Station helpline at (317) 275-4500 is also available. It is staffed by device experts who can answer questions about how to read, watch and listen on a PC, tablet or phone.

Chemistry for Kids: Projects to Makes Things Sizzle, Pop, and Explode!

Chemistry is nature’s magic. With it you can learn to do amazing things, like make erupting volcanoes and and fizzy exploding ziplocs. These books will show you how to do these things and also explain the science behind why these things are happening. You can explore chemical reactions by experimenting with things you find around the house in your kitchen, bathroom or garage.

Title - Kitchen ChemistryTitle - Mixtures and SolutionsTitle - Kitchen ChemistryTitle - Real Chemistry ExperimentsTitle - Science You Can EatTitle - 30-minute Chemistry ProjectsTitle - ReactionsTitle - Chemistry You Can ChompTitle - Backyard Chemistry ExperimentsTitle - Chemistry Projects to Build onTitle - Exploring Kitchen ScienceTitle - The Kitchen Pantry Scientist