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Buoyant Bubbles
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What keeps bubbles and other things, like airplanes, floating or flying in the air?

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

COSI's Bubble Recipe
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Everybody loves bubbles, and this is the best bubble recipe ever!

Big Bubbles
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How do you measure a bubble when it's floating? You can't really, but in this activity, learners can measure the diameter of the ring of suds a bubble leaves on a flat surface.

Bubbles: Using Controls
In this experiment, learners use JOY liquid detergent and glycerin to make the largest bubble they can that lasts 15 seconds.

Bubble Tray
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In this activity, learners use simple materials to create giant bubbles.

Bready Bubble Balloon
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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.

Burst a Bubble
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In this activity, learners will create their own bubble solution. Learners will explore chemistry, geometry and trial and error through this activity.

Bubble Trouble
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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.

Best Bubbles
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In this activity, learners experiment with creating various types of bubble solutions and testing which ingredients form longer-lasting bubbles.

Cauldron Bubbles
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In this activity, learners mix up a bubbly brew and examine density. Learners explore how they can make different materials fall and rise in water using oil, water, and salt.
What Molecules Make the Holes in Bread?
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In this activity, learners will discover why there are holes in bread.

The Pressure's On
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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!

Sublimation Bubbles
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"Sublimation Bubbles" allows learners to explore how some solid materials, such as dry ice, can phase change directly from their solid to gaseous form.

Soda Explosion
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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.

Foam Tower
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In this activity (page 1 of the PDF under SciGirls Activity: Water Slides), learners will whip up some suds with a cup of water and a tablespoon of dish soap until the bubbles are stiff enough to star

It's a Gas!
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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.

Do the Mystery Samples Contain Life?
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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.

Having a Gas with Water
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In this activity, learners construct a simple electrolysis device. With this device, learners can decompose water into its elemental components: hydrogen and oxygen gas.

Diving Submarine
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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.