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Showing results 1601 to 1620 of 2482

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Test the buoyancy of an aluminum foil boat and an aluminum foil ball. Why does the same material in different shapes sink or float?

1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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In this online Flash game, learners test their engineering know-how, moving a collection of mechanical parts onto a board to make complete a system of parts that will move a ball from start to finish.

free Ages 6 - 14 5 to 10 minutes
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Put a string around your head, and play it! Learn about vibration, sounds, and pitch.

1 cent - $1 per student Ages 6 - 11 Under 5 minutes
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In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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In this life science activity (page 8 of the PDF), learners explore the carbon cycle by mixing yeast, sugar and water.

Over $20 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners create a tiny electric, motorized dancer. Learners use the interactions of magnetism and electric current to make a wire spin, while displaying the Lorentz Force in action.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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In this engineering activity, learners design parachutes to give toy figures safe landings. This activity is great for practicing an important STEM skill--changing only one variable at a time.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners sublimate dry ice and then taste the carbon dioxide gas.

$1 - $5 per student Ages 11 - 18 5 to 10 minutes
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In this activity, learners use tsunami time travel maps to predict how long it will take a tsunami to reach the shore.

free Ages 14 - adult 1 to 2 hours
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Focus sound through a balloon! In this Exploratorium activity, you'll use dry ice to create a balloon that's a sound lens.

$1 - $5 per student Ages 6 - adult 5 to 10 minutes
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In this activity, learners explore the concepts of density and basic chemical reactions as they create a homemade lava lamp effect using water, oil, food coloring, and Alka-Seltzer tablets.

$5 - $10 per student Ages 6 - 14 10 to 30 minutes
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In this three part activity, learners explore and experiment with shadows to learn about the Sun's relative motion in the sky.

1 cent - $1 per group Ages 4 - 11 1 to 2 hours
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In this activity, learners investigate convection by using food coloring and water of different temperatures.

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners cut wells in JELL-O© and load the wells with different detergent solutions.

$1 - $5 per student Ages 11 - 18 4 to 24 hours
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In this activity related to magnetism and electricity, learners observe as two parallel, current-carrying wires exert forces on each other.

$5 - $10 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners will make a model rocket to test the phrase "what goes up must come down." Learners will power their rockets with air pressure, and soon discover the effects of air resistan

$1 - $5 per student Ages 4 - 8
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Create a painting by blowing air out of a straw. Push liquid acrylic paint around on some watercolor paper by aiming short bursts of air onto the paint puddle.

1 cent - $1 per student Ages 4 - 8 45 to 60 minutes
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In this activity, learners make acid/base indicator paper, place the indicator paper on an anthill, disturb a bunch of ants, and then observe what happens!

$1 - $5 per group Ages 6 - 11 45 to 60 minutes
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In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

$1 - $5 per group Ages 6 - 14 2 to 4 hours