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In this activity, learners use plastic tubing and a funnel to listen to their heart. Learners also discover that if they run around, their heart pumps harder and faster, making it easier to hear.

$1 - $5 per student Ages 4 - 14 5 to 10 minutes
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In this activity, learners will experiment with density and chemical reactions to create a flurry activity.

$1 - $5 per student Ages 4 - 11 5 to 10 minutes
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In this activity, learners will construct a device to blow bubbles. By adding corn syrup to the bubble solution, we can increase the surface tension of the bubbles--and their size.

$1 - $5 per student Ages 4 - 11 10 to 30 minutes
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In this activity, learners turn empty 2-liter bottles into a see-through compost container.

$1 - $5 per student Ages 4 - 14 1 to 12 months
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In this activity, learners explore different types of fossils by making their out of dough and objects from around the house.

$1 - $5 per student Ages 4 - 11 10 to 30 minutes
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In this activity, learners will experience the different states of matter using crayons as the medium. Explore matter changing between phases while recycling old crayons.

$1 - $5 per group Ages 4 - 8 5 to 10 minutes
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In this activity, learners will test the strength of different brands of paper towels.

$1 - $5 per student Ages 4 - adult 30 to 45 minutes
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In this math activity, learners estimate how many pennies are in a jar by predicting and counting handfuls of pennies.

$1 - $5 per student Ages 4 - 8 5 to 10 minutes
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In this outdoor activity, learners discover the wonders of the habitat surrounding them.

$1 - $5 per student Ages 4 - 11 45 to 60 minutes
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In this sensory activity, learners enjoy the fun of a snow day any season of the year.

$1 - $5 per group Ages 4 - 11 10 to 30 minutes
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In this activity, learners will create a drawing with dry erase markers and watch it come to life. Learners will explore chemistry, art and storytelling through this activity.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners will make seed orbs to grow new trees and plants. Learners will explore ecology and life cycles as well as stewardship through this activity.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes
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This activity (located on page 2 of PDF) introduces learners to the real size of animals using nonstandard measurement.

$1 - $5 per group Ages 4 - 11 10 to 30 minutes
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In this activity, young learners, (2 years and up) explore bird behavior and adaptations by providing a homemade bird feeder and observing birds.

$1 - $5 per student Ages 4 - 8 5 to 10 minutes
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In this activity, learners investigate the effect of heat on a reaction.

$1 - $5 per student Ages 4 - 11 10 to 30 minutes
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In this activity, young learners, (2 years and up) explore animal behavior and adaptations by providing a "track trap" and observing the signs animals leave behind.

$1 - $5 per student Ages 4 - 8 1 to 4 weeks
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This activity encourages learners to focus on the natural environment of the Eastern Woodlands before the arrival of European settlers.

$1 - $5 per group Ages 4 - 11 45 to 60 minutes
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In this activity, young learners (2 years and up) explore flower and plant biology and pollination by planting seed in a homemade seed starter.

$1 - $5 per student Ages 4 - 8 1 to 4 weeks
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Don't scream for ice cream -- make it with milk, sugar, flavoring and some 'salt-water' ice. Discover the chemistry of ice cream by creating your own.

$1 - $5 per student Ages 4 - 11 10 to 30 minutes
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In this engineering design challenge, learners build an air-powered spinning machine.

$1 - $5 per group Ages 4 - 18 1 to 2 hours