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Ocean Echolocation
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Use echolocation to find others and experience how whales’ senses have adapted to suit their environment. In pairs, learners are blindfolded and use containers filled with marbles to find each other.

Cook Up a Comet
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In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.

The Great Balloon Race
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In this online Flash game, learners take to the skies in a hot air balloon and are challenged to beat other balloonists' times to the finish line without crashing.

All About Air
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In this activity, learners with explore the gases present in air. They will then build their own wind cannons and challenge family and friends to a friendly competition.

Motion Picture
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During this hands-on activity, learners are briefly exposed to moviemaking and animation, when they create their own thaumatropes.

Go Fly a Kite
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In this hands-on activity, children create their own kites that can fly indoors. Learners are exposed to basic concepts of gravity and air resistance.

Rock Candy
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In this yummy chemistry activity which requires adult supervision, learners use sugar and water to explore how crystals form.

Nature of Dye
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"Nature of Dye" allows participants to create their own dyes and art while exploring how chemicals interact and how these interactions can have real-world applications.

Exploring the Universe: Orbiting Objects
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“Exploring the Universe: Orbiting Objects” is a hands-on activity that invites visitors to experiment with different sized and weighted balls on a stretchy fabric gravity well.

Stereo Sound
Source Institutions
We listen to stereo music systems, tv's, and radios because it simulates being where the sound originates.

Conversation Piece
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Focus sound through a balloon! In this Exploratorium activity, you'll use dry ice to create a balloon that's a sound lens.

Inner Space
Source Institutions
In this activity, learners discover that there is space between molecules even in a cup "full" of water. They first fill a cup with marbles, and then add sand to fill the gaps between the marbles.

Ice Cream Shake
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In this tasty activity, learners make their own ice cream any day of the year in an exploration of heat and cold. Highlights include freezing and melting and the transition from liquid to solid.
Making An Impact!
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In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

School of Fish
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In this activity, learners will make fish cutouts that propel through the water with the help of surface tension.

Electric Gelatin
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In this activity, learners explore static electricity and electrical charges while experimenting with an inflated balloon, unflavored gelatin powder, and a wool sweater.

Color Splash
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In this activity, learners mix water, cooking oil, and liquid food coloring to create beautiful colored designs in a cup. Use this activity to explore liquid density and solubility.

Design a Flavor: Experiment to Make Your Own Ice Cream Flavor!
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In this delicious activity, learners get to make, taste-test and compare their own "brands" of homemade strawberry ice cream.

Globe at Night
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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

Snake Kite
Source Institutions
In this activity, learners will explore the physics of air by making a snake kite.