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Showing results 21 to 40 of 148

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In this quick activity (page 1 of PDF under SciGirls Activity: Hockey), learners will use a simple physics of motion and gravity demonstration to test their predicting skills.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this physics demonstration, learners will be surprised when a handkerchief holds water in an upside-down glass.

free Ages 4 - adult Under 5 minutes
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In this activity, learners explore how salt water freezes in comparison to fresh water.

1 cent - $1 per group Ages 6 - 14 1 to 2 hours
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This three-part activity consists of an activity that groups of learners develop themselves, a given procedure, and an optional demonstration.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this activity related to magnetism and electricity, learners discover that a magnet falls more slowly through a metallic tube than it does through a nonmetallic tube.

$1 - $5 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners discover if carbon dioxide has an effect on temperature.

1 cent - $1 per group Ages 6 - 14 1 to 2 hours
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In this physics activity, learners recreate Galileo's famous experiment, in which he dropped a heavy weight and a light weight from the top of the Leaning Tower of Pisa to show that both weights fall

Over $20 per group Ages 8 - 18 10 to 30 minutes
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In this dramatic activity/demonstration about phase change and condensation, learners place an aluminum can filled with about two tablespoons of water on a stove burner.

free Ages 8 - 14 5 to 10 minutes
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In this activity (6th on the page), learners investigate how photoreceptors in the eye (rods and cones) "adapt" to low light conditions.

free Ages 8 - 18 10 to 30 minutes
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In this quick and easy activity and/or demonstration, learners use two empty 2-liter bottles and hot tap water to illustrate the effect of heat on pressure.

free Ages 6 - 18 5 to 10 minutes
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In this kinesthetic activity, learners will play a game with a ball to demonstrate the Coriolis force, which partly explains why hurricanes in the Northern Hemisphere rotate counterclockwise.

free Ages 8 - 14 10 to 30 minutes
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In this activity, learners explore clouds and how they form.

$1 - $5 per group Ages 8 - 18 5 to 10 minutes
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This is a quick activity/demonstration that introduces learners to the concept of index of refraction. Learners place stirring rods in a jar of water and notice they can see them clearly.

1 cent - $1 per group Ages 8 - 18 Under 5 minutes
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This is a quick, yet dramatic activity/demonstration that introduces learners to the concept of energy transfer. A small ball is placed on top of a large ball and both are dropped together.

free Ages 6 - 14 Under 5 minutes
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In this demonstration, learners observe how liquid nitrogen both boils and freezes ingredients to make ice cream in two minutes.

$10 - $20 per group Ages 6 - 14 Under 5 minutes
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In this quick activity/demonstration about density, learners examine what happens when two cans of root beer--one diet and one regular--are placed in a large container of water.

1 cent - $1 per group Ages 4 - 14 Under 5 minutes
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In this activity, learners explore inertia as they attempt to whip a strip of paper out from under two coins dangling on the rim of a water glass.

free Ages 6 - 14 5 to 10 minutes
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In this optics activity, demonstrate diffraction using a candle or a small bright flashlight bulb and a slide made with two pencils.

$5 - $10 per student Ages 8 - 18 10 to 30 minutes
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In this demonstration about momentum, use physics to distinguish between a hard-boiled egg and a raw egg without cracking them open.

1 cent - $1 per group Ages 4 - adult Under 5 minutes
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In this activity, learners explore the concept of permeability to better understand why amphibians are extremely sensitive to pollution.

1 cent - $1 per group Ages 4 - 14 4 to 24 hours