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In this activity, learners investigate the behavior of magnets. Learners create a "wonder wand" with a magnet so they can move a skater around.

1 cent - $1 per group Ages 4 - 11 10 to 30 minutes
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In this activity, learners develop an understanding of cylinders and volume as they compare two sizes of popcorn buckets.

1 cent - $1 per group Ages 4 - 8 10 to 30 minutes
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In this activity (on page 2 of PDF), learners mix oil and water. Then, they add soap and observe what changes! The activity demonstrates how oil and water don't mix, except when soap is added.

1 cent - $1 per student Ages 4 - 11 Under 5 minutes
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In this activity, learners explore how their sense of smell affects their taste buds. Learners taste different flavored jelly beans while holding their nose.

1 cent - $1 per student Ages 4 - 14 Under 5 minutes
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In this activity, learners investigate circulation and measure their own your heartbeat. A heart rate, or pulse, is the number of times the heart beats per minute.

1 cent - $1 per student Ages 4 - 11 Under 5 minutes
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In this activity, the learner will experiment with the physics of sound production while making a sound making toy. The activity includes a video with step by step instructions.

1 cent - $1 per student Ages 4 - 14 5 to 10 minutes
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In this is activity about sound and vibration, learners create their own 'flutes' with drinking straws, then investigate how changing the length of the straw affects the sounds that are produced.

1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
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In this demonstration, learners observe the effects of density and pressure. A "diver" constructed out of a piece of straw and Blu-Tack will bob inside a bottle filled with water.

1 cent - $1 per group Ages 4 - adult Under 5 minutes
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In this activity, learners use their understanding of probability to guess which color will be drawn from a bag.

1 cent - $1 per group Ages 4 - 8 5 to 10 minutes
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In this math activity, learners use non-standard measurement (paces) to find the distance from one point to another. Learners practice estimating and measuring distances .

1 cent - $1 per student Ages 4 - 8 5 to 10 minutes
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In this activity, learners will build a honeycomb. Learners will investigate how the shape of the honeycomb develops. Activity includes step-by-step instructions and extension ideas.

1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
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In this demonstration, learners will be "wowed" as three matches burn to form a triangular pyramid shape and "magically" rise off the table.

1 cent - $1 per group Ages 4 - adult Under 5 minutes
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In this activity, learners investigate the Earth's rotation and how to tell the time of day without a clock. Thsi simple activity only requires a paper plate, a pencil, and sunshine.

1 cent - $1 per student Ages 4 - 11 4 to 24 hours
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In this activity, learners investigate just how small a billionth of a meter is by attempting to cut a paper ruler down to a nanometer-sized sliver.

1 cent - $1 per student Ages 4 - adult 5 to 10 minutes
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In this math activity, learners jump and measure how far they can jump on different surfaces using different jumping techniques.

1 cent - $1 per student Ages 4 - 8 10 to 30 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, learners explore genes and traits. Learners investigate their fingerprints and learn how to categorize them.

1 cent - $1 per group Ages 4 - 11 10 to 30 minutes
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This is an activity about motion, power, air and Newton’s Third Law of Motion, which states that for every action there is an equal and opposite reaction.

1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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How many colors make black? Gather as many water soluble black markers as you can find.

1 cent - $1 per student Ages 4 - 18 10 to 30 minutes
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In this activity, learners will explore the physics of liquids and gas by playing with both! Learners of any age use their own breath to move drops of water across a smooth wax paper surface.

1 cent - $1 per group Ages 4 - adult 5 to 10 minutes