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In this colorful activity (page 6 of the PDF), learners will make a multicolor density column by using different concentrations of sugar solutions.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners will build a simple electromagnet. They will test variables that would make the electromagnet stronger.

$5 - $10 per student Ages 11 - 18 10 to 30 minutes
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In this physics activity, learners will explore the concept of buoyancy, especially as it relates to density.

$1 - $5 per group Ages 6 - 11 10 to 30 minutes
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In this yummy biology activity (page 3 of the PDF), learners participate in a demonstration of natural selection.

$5 - $10 per group Ages 11 - 18 10 to 30 minutes
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In this health activity (page 3 of the PDF), learners will discover why covering their mouth and nose while sneezing is so important.

$1 - $5 per group Ages 4 - 14 10 to 30 minutes
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In this physics activity, learners explore how sound is created by vibrations.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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This is an activity about waves. Using marbles, paper clips and rubber bands, learners explore how waves behave.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes
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In this activity about magnetism (page 17 of the pdf), learners experiment with magnets, exploring the concept of diamagnetic materials by seeing how a grape reacts to a magnetic field.

$1 - $5 per group Ages 6 - 11 10 to 30 minutes
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In this activity about friction and gravity (page seven of the pdf), learners use toy racing cars to explore how the two forces affect the motion of objects.

$1 - $5 per group Ages 4 - 8 10 to 30 minutes
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In this physics activity (page 8 of the PDF), learners will make their very own working compass.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this physics activity, learners build their own rockets out of film canisters and construction paper.

$5 - $10 per student Ages 6 - 18 10 to 30 minutes
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In this activity about magnetism (page 15 of the PDF), learners will explore how opposite and similar magnetic poles affect a swinging (pendulum) magnet.

$5 - $10 per group Ages 6 - 14 10 to 30 minutes
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In this activity about transfer of energy, learners get to build their own catapult using nothing more than a plastic spoon and some tape.

$5 - $10 per student Ages 6 - 14 10 to 30 minutes
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In this hands-on activity, learners use an assortment of (mainly household) items to complete Rube Goldberg-type challenges.

$1 - $5 per student Ages 4 - adult 10 to 30 minutes
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In this chemistry experiment, learners get to make a very bizarre substance using corn starch and water. Is it a solid? Is it a liquid? Or is it a different kind of substance entirely?

$1 - $5 per group Ages 4 - 11 10 to 30 minutes
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In this activity, learners will make fish cutouts that propel through the water with the help of surface tension.

$5 - $10 per student Ages 6 - 11 10 to 30 minutes
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In this activity about magnetism (page 4 of the PDF), learners will experiment with magnets and different objects to find out that not all metals are attracted to magnets.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this physics activity, learners will explore buoyancy.

1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
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In this activity, learners will learn a bit about botany as the explore botanical names and common names of plants.

1 cent - $1 per group Ages 11 - 18 10 to 30 minutes
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In this fun math activity (page 1 of the pdf), learners exercise the creative part of their brain by trying to describe a number without mentioning the actual number (for instance, the number 12 could

1 cent - $1 per student Ages 8 - 11 10 to 30 minutes