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Showing results 121 to 140 of 239

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In this activity, learners make a simple spring-like scale using a rubber band instead of a spring, and calibrate the scale in newtons (N).

$1 - $5 per student Ages 11 - 18 30 to 45 minutes
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In this activity, learners make a black box device that serves as an excellent analogy to Rutherford's famous experiment in which he deduced the existence of the atomic nucleus.

$1 - $5 per group Ages 14 - 18 30 to 45 minutes
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In this demonstration, learners explore a variation of a Foucault pendulum, but upside down.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
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In this activity, learners overlap the three primary colors to see how all other colors are made.

free Ages 11 - 18 10 to 30 minutes
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In this activity, learners use heat to separate zinc and copper in a penny. This experiment demonstrates physical properties and how physical change (phase change) can be used to separate matter.

1 cent - $1 per student Ages 11 - 18 5 to 10 minutes
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In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most textbook

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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Do you have a hard time matching paint swatches with your furniture? When you consider human perception, color is context dependent.

1 cent - $1 per student Ages 4 - adult 5 to 10 minutes
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Testing magnets is always a fun pastime, but here, we're going beyond "will it attract the magnet?" In this activity, learners will investigate which materials allow magnetic fields to pass through or

1 cent - $1 per student Ages 6 - 18 5 to 10 minutes
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We're told from a young age that we have 5 senses, but we have many more. One of which is our awareness of our own body part's orientation and position.

free Ages 6 - 18 Under 5 minutes
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We don't normally view people upside down and so our brains aren't accustomed to it.

free Ages 4 - 18 Under 5 minutes
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When you teeth clatter, they make quite the racket disproportionately to how much they actually sound to someone else.

$1 - $5 per student Ages 8 - 18 5 to 10 minutes
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Build a hydrometer (measures the density of a liquid) using a pipet or eyedropper.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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Have you ever heard of a camera without a lens? In this activity, learners create a pinhole camera out of simple materials. They'll see the world in a whole new way: upside down and backwards!

$1 - $5 per student Ages 8 - 18 45 to 60 minutes
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This science activity demonstrates the dominant eye phenomena. What does your brain do when it sees two images that conflict?

1 cent - $1 per student Ages 4 - adult Under 5 minutes
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In this edible experiment, learners pour "Magic Shell" chocolate into a glass of cold water. They'll observe as pillow shaped structures form, which resemble lavas on the sea floor.

$1 - $5 per student Ages 8 - 18 5 to 10 minutes
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In this activity about light and perception, learners discover how a flash of light can create a lingering image called an "afterimage" on the retina of the eye.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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In this hands-on activity, learners make the world's simplest Cartesian diver, using only a plastic bottle, some water, and a condiment packet.

free Ages 6 - adult 5 to 10 minutes
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In this trick, hold your hand over a burning candle without getting burned, by reflecting and transmitting the light of two candles. This activity is best suited as a demonstration.

$1 - $5 per group Ages 8 - 18 5 to 10 minutes
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In this activity, learners work in groups to create a time line representing significant moments in their lives.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners construct a device out of a piezoelectric igniter, like those used as barbecue lighters.

$5 - $10 per student Ages 11 - 18 30 to 45 minutes