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Showing results 61 to 80 of 193

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In this activity, learners make their own rock candy. Crystals will grow from a piece of string hanging in a cup of sugar water. The edible crystals may take up to a week to form.

1 cent - $1 per student Ages 6 - 18 1 to 7 days
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In this genetics activity, learners discover how to extract DNA from green split peas.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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In this activity, learners model hot spot island formation, orientation and progression with condiments.

$1 - $5 per student Ages 8 - 18 5 to 10 minutes
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In this edible experiment, learners pour "Magic Shell" chocolate into a glass of cold water. They'll observe as pillow shaped structures form, which resemble lavas on the sea floor.

$1 - $5 per student Ages 8 - 18 5 to 10 minutes
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In this a hands-on activity, learners explore how to put ice cream in an oven without it melting. Ideas in this activity include insulation and cooking.

$1 - $5 per student Ages 4 - 14 5 to 10 minutes
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In this physics demonstration, learners are challenged to insert a straw the furthest into a potato.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
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In this hands-on activity, learners make the world's simplest Cartesian diver, using only a plastic bottle, some water, and a condiment packet.

free Ages 6 - adult 5 to 10 minutes
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No glue is needed for learners of any age to become marshmallow architects or engineers.

1 cent - $1 per student Ages 4 - 14 30 to 45 minutes
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Learners place cut flowers in colored water and observe how the flowers change. The flowers absorb the water through the stem and leaves.

$1 - $5 per student Ages 8 - 18 1 to 7 days
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In this activity, learners compare frog eggs to chicken eggs to better understand why frog eggs need water. Learners compare a boiled chicken egg to "frog eggs" represented by boiled tapioca.

$1 - $5 per student Ages 4 - 14 4 to 24 hours
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In this chemistry activity (page 5 of the PDF), learners make an acid-base indicator using cabbage. Learners then explore how various subtances react with this indicator.

Over $20 per group Ages 8 - 18 30 to 45 minutes
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In this demonstration, learners observe the effects of air pressure. They will watch as marshmallows inside a bottle expand as a vacuum pump removes air from the bottle.

$1 - $5 per group Ages 4 - adult Under 5 minutes
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In this chemistry activity, learners are asked to form a hypothesis about the behavior of milk as household detergents act upon it.

$1 - $5 per group Ages 8 - 18 Under 5 minutes
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In this activity, learners create a gelatinous slime using guar gum powder and borax. Educators can use this simple activity to introduce learners to colloids.

$10 - $20 per group Ages 6 - 18 30 to 45 minutes
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In this chemistry activity (page 3 of the PDF), learners will learn about crystals by growing their very own.

$1 - $5 per student Ages 6 - 14 1 to 7 days
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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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Learners observe a tank of water containing cans of diet and regular sodas. The diet sodas float and the regular sodas sink. All the cans contain the same amount of liquid and the same amount of air.

$5 - $10 per group Ages 6 - 14 5 to 10 minutes
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In this activity, learners sublimate dry ice and then taste the carbon dioxide gas.

$1 - $5 per student Ages 11 - 18 5 to 10 minutes
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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