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Showing results 21 to 29 of 29

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In this activity, learners explore how polarizing sunglasses can help diminish road glare.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners build a Wilberforce Pendulum, a special coupled pendulum in which energy is transferred between two modes of vibration, longitudinal ("bounce') and torsional ("twist"), on a

$10 - $20 per group Ages 11 - 18 10 to 30 minutes
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In this activity, learners turn an ordinary metal coat-hanger into a (very quiet) musical instrument.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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In this activity, learners create music from a series of bottles filed with water. Learners discover that the sound produced by each bottle depends on the amount of water in the bottle.

free Ages 4 - 11 10 to 30 minutes
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In this activity, learners build a musical drum using a cardboard tube, plastic wrap, and beads.

$1 - $5 per student Ages 6 - 18 10 to 30 minutes
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In this activity best suited as a demonstration, learners observe that when a piece of iron gets too hot, it loses its ability to be magnetized.

$5 - $10 per group Ages 11 - 18 10 to 30 minutes
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In this activity, learners explore how an electromagnet works by making a simple one. Using this knowledge, learners design a diagram to make a working speaker using household materials.

$10 - $20 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners build a cuica or chirping bird using straw, string, and a bottle cap. Use this activity to explore the interplay of motion and sound.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners explore sound by constructing a simple piano out of wood and craft sticks.

$1 - $5 per student Ages 6 - 11 30 to 45 minutes