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This activity helps learners understand how the angle of the Sun affects temperatures around the globe.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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Learners carefully look at four known household crystals.

$1 - $5 per group Ages 8 - 14 30 to 45 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 activity, learners add dilute bleach solution to water that has been dyed with yellow, blue, and green food color.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this physics activity (page 12 of the PDF), learners explore potential and kinetic energy by rolling different sized marbles down an inclined plane.

$1 - $5 per group Ages 4 - 14 10 to 30 minutes
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In this chemistry activity, learners explore density by using four solids and 6 liquids to create colorful, layered rows.

$1 - $5 per group Ages 6 - 18 5 to 10 minutes
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Through discussion and hands-on experimentation, learners examine the geological (ancient) carbon cycle.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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Learners develop awareness and understanding of the daily air quality using the Air Quality Index (AQI) listed in the newspaper or online.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners discover that our hands are not reliable thermometers.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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En esta actividad sobre la exploración e investigación, los aprendices harán ventanas de burbujas.

$1 - $5 per group Ages 8 - 11 10 to 30 minutes
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This resource contains several mini-explorations using a slide projector as a light source to investigate light and the properties of images.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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This lesson gives full instructions for making cabbage juice indicator, a procedure sheet for learners to record observations as they use the indicator to test materials, and extension activities to d

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this activity on page 11 of the PDF, learners follow simple steps to recycle old newspaper into new paper.

$1 - $5 per student Ages 6 - 14 1 to 7 days
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Learners design their own experiment to determine which M&M color dissolves the fastest in water.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this quick activity, learners explore how blubber protects animals from the cold by making a "blubber mitt." Using cooking shortening, two zip-top sandwich bags, and duct tape, learners simulate bl

$1 - $5 per student Ages 4 - 11 5 to 10 minutes
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In this activity, learners use things from the kitchen as building materials to explore how shapes contribute to the strength of different structures.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners use rice grains to model the composition of the atmosphere of the Earth today and in 1880. Learners assemble the model while measuring percentages.

$1 - $5 per group Ages 11 - 18 1 to 2 hours
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In this two-part activity, learners use household items to smell the difference between some stereoisomers, or molecules which are mirror images of one another.

$1 - $5 per student Ages 8 - 18 5 to 10 minutes
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Learners build a simple electromagnet, then use this electromagnet to transform a yogurt container into a working speaker. They can connect their speaker to a radio and listen as it transmits sound.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners extract DNA from a strawberry and discover that DNA is in the food they eat.

$1 - $5 per student Ages 11 - 14 45 to 60 minutes