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Learners use a candle to investigate the products of combustion. When a glass rod is held over a lit candle, the candle flame deposits carbon on the rod.

1 cent - $1 per group Ages 11 - adult 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 activity, learners use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red.

1 cent - $1 per group Ages 11 - 18 5 to 10 minutes
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In this physics demonstration, learners will be surprised when a lemon slice appears to magically levitate within a pint glass.

1 cent - $1 per group Ages 8 - adult Under 5 minutes
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In this activity, learners will make their own prism and use a glass of water to separate sunlight into different colors.

$1 - $5 per group Ages 8 - adult 5 to 10 minutes
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In this activity, learners use simple items to construct a device for indicating air pressure changes.

$1 - $5 per student Ages 8 - 18 1 to 4 weeks