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Learn about chemical reactions by making a Bubble Bomb, a plastic bag you can pop with the power of fizz.

1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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Learners discover the bubble power of living cells in this multi-hour experiment with baker's yeast. Learners make a living yeast/water solution in a bottle, and add table sugar to feed the yeast.

$1 - $5 per group Ages 6 - 14 4 to 24 hours
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In this activity on page 15 of the PDF, learners measure the amount of bubbles that they make using a detergent.

$1 - $5 per student Ages 8 - 14 30 to 45 minutes
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In this activity, learners will discover why there are holes in bread.

$10 - $20 per group Ages 8 - 18 30 to 45 minutes
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In this chemistry activity, learners explore chemical reactions and their effects, including the kind of reaction in the human body that makes people burp!

$1 - $5 per group Ages 8 - 11 10 to 30 minutes
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This hands-on activity lets participant explore chemical reactions as they create a soda explosion with lots of bubbles. The bubbles in soda are made of carbon dioxide gas.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
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In this simple activity, learners see the production of a gas, which visibly fills up a balloon placed over the neck of a bottle.

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
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In this activity (on pages 13-16 of the PDF) learners investigate three mystery samples to see which one contains life. The three samples are sand, sand and yeast, and sand and antacid.

1 cent - $1 per group Ages 4 - 14 30 to 45 minutes
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Learners use a commercially available toy to experiment with density. They fill a chamber in the toy submarine with baking powder and release it into a tank of water.

$1 - $5 per group Ages 4 - 14 5 to 10 minutes
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In this activity, learners use oil, water, food coloring and antacid tablets to create a bubbling lava lamp. Use this activity to introduce concepts related to density, hydrophobicity vs.

$5 - $10 per student Ages 6 - 11 10 to 30 minutes
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In this activity on page 4 of the PDF (Get Cooking With Chemistry), learners investigate ingredients that combine to produce gas bubbles.

$10 - $20 per student Ages 8 - 14 45 to 60 minutes
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Learners create hard water by mixing Epsom salt and water. Then they compare what happens when soap solution is mixed with hard water and regular water.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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Learners combine hydrogen peroxide with three different forms of potato: raw chunks, ground chunks, and boiled chunks.

$1 - $5 per group Ages 11 - adult 5 to 10 minutes
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In this quick activity (page 1 of PDF under SciGirls Activity: Lift Off), learners will use the ever-popular soda geyser experiment to test the reactivity of the various sugar candies or mints.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this chemistry activity, learners fill two test tubes with a solution of "artificial stomach fluid," consisting of hydrochloric acid in the same concentration as in human stomachs, some soap to cre

$1 - $5 per group Ages 14 - adult 5 to 10 minutes
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This display shows the dangers of acid rain on buildings and other structures as two concrete bunny rabbits are disintegrated by sulfuric acid. Learners scrape chalk onto the concrete bunnies.

$5 - $10 per student Ages 11 - adult 10 to 30 minutes
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This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
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In this hands-on activity, learners determine the types of chemical reactions achieved when combining different household products.

$5 - $10 per group Ages 6 - 11 45 to 60 minutes
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In this hands-on science experiment, students combine their understanding of the different states of matter and the characteristics of various chemical reactions.

$10 - $20 per group Ages 6 - 11 45 to 60 minutes
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Learners mix vinegar and baking soda to produce a gas. With the addition of a bit of liquid soap, the gas becomes trapped in measurable bubbles.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes