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In this activity (4th activity on the page), learners use their sense of smell to rate and arrange containers filled with different dilutions of a scent (like cologne or fruit juice) in order from wea

$1 - $5 per group Ages 8 - 18 5 to 10 minutes
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In this chemistry activity (page 1 of the PDF), learners will observe a physical change.

$1 - $5 per student Ages 6 - 14 1 to 4 weeks
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In this online activity, learners experience the thrill of pickle making, and explore how a cucumber becomes a pickle.

free Ages 6 - 14 5 to 10 minutes
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In this optics activity, learners use a shoebox, colored cellophane and sunlight to "change" the colors of gumballs. Learners will be surprised when the green and blue gumballs appear black!

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners discover what happens when they crush wintergreen-flavored candies in a very dark room.

$1 - $5 per group Ages 8 - 14 Under 5 minutes
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In this activity, learners make prisms from gelatin. Learners then shine light through the prisms and discover what happens. This activity introduces learners to the idea of refraction.

$1 - $5 per student Ages 8 - adult 10 to 30 minutes
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In this activity on page 7 of the PDF, learners follow a recipe to make a dough similar to the clay artists use to make sculptures.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners examine baking powder, a combination of three powders: baking soda, cream of tartar, and cornstarch.

1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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In this biology activity (page 3 of the PDF), learners will explore how plants turn sunlight into food through a process called photosynthesis.

$10 - $20 per group Ages 6 - 14 1 to 4 weeks
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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 physics demonstration, learners are challenged to break a raw egg just by squeezing it. Learners will be shocked by their inability to complete the deceivingly simple challenge.

1 cent - $1 per group Ages 4 - adult Under 5 minutes
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In this activity, high voltage is applied across a pickle to emit a yellow glow. This activity should only be conducted by skilled adults and is best suited as a demonstration.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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In this optics activity, learners explore how they can make gelatin stop light, but not stop them from seeing fruit suspended within.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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Using a milk-based recipe, learners create "moo glue" which is basically white school-type glue. The "secret ingredient" in milk that helps make glue is a chemical called casein.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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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.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
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In this chemistry activity (page 6 of the PDF), learners observe a chemical change. Learners write and reveal a secret message using edible ink.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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In this activity on page 9 of the PDF, learners test how flavoring extracts move through the walls of a balloon.

$5 - $10 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners create a "mini sky" in a glass of water in a dark room.

1 cent - $1 per student Ages 6 - 14 Under 5 minutes
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In this activity, learners experiment with hydrogen peroxide, vinegar, yeast, and baking soda to produce hot and cold reactions. Use this activity to demonstrate exothermic and endothermic reactions.

$5 - $10 per student Ages 8 - 18 10 to 30 minutes
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Albert Einstein proved that space bends around anything that has mass. This activity uses Jell-O's ability to bend around objects as a model for space bending around planets and stars.

$5 - $10 per group Ages 8 - 18 30 to 45 minutes