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In this activity, learners create a mind and math puzzle that requires a three-dimensional solution.

$1 - $5 per student Ages 8 - 18 1 to 2 hours
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In this activity, learners use a laser pointer and two small rotating mirrors to create a variety of fascinating patterns, which can be easily and dramatically projected on a wall or screen.

Over $20 per group Ages 11 - 18 1 to 2 hours
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In this activity, learners of all ages will experiment with paint and printmaking.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners explore a surprising method for calculating the mathematical constant pi, known as Buffon's Needle.

$1 - $5 per student Ages 11 - 18 5 to 10 minutes
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Make two firefly lanterns, then program them to blink to one another and change colors.

Over $20 per group Ages 8 - adult 2 to 4 hours
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In this activity, learners use a laser pointer and two small rotating mirrors to create a variety of fascinating patterns, which can be easily and dramatically projected on a wall or screen.

Over $20 per group Ages 11 - 18 1 to 2 hours
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Wheels aren't the only things that can "roll" objects that are placed on top of it. Make non-intuitive shapes from cutouts and a compass to demonstrate this.

1 cent - $1 per student Ages 6 - 18 5 to 10 minutes
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Get a roll of pennies, throw them on the ground, then remove those that only show tails, and repeat with the ones left over.

free Ages 8 - 18 5 to 10 minutes
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In this outdoor activity, learners discover how the environment around a building affects the growth of plants.

$1 - $5 per group Ages 6 - 18 30 to 45 minutes
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In this outdoor mapping activity, learners explore where plants grow and map plant-distribution patterns.

$5 - $10 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners use a string and pair of scissors to find pi in the world all around them. Take the circumference of a round object with string and cut the string to that length.

1 cent - $1 per group Ages 11 - adult 5 to 10 minutes
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In this activity, learners investigate variations in human traits. This allows learners' natural curiosity about their identity to draw them into the study of heredity.

$1 - $5 per student Ages 8 - 18 2 to 4 hours