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Showing results 1161 to 1180 of 1563

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In this activity, learners use a nail and magnet wire to build an electromagnet, which controls the movements of a paper dancer.

$1 - $5 per student Ages 8 - 18 1 to 2 hours
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Just like birds, some dinosaurs had air-filled (pneumatic) bones, which made the dinosaurs' skeletons lighter.

$1 - $5 Ages 8 - 18 1 to 7 days
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In this activity, learners build a miniature wind tunnel to measure force. Learners construct the model out of Lexan plastic, a fan, and a precise digital scale.

Over $20 per group Ages 11 - adult 2 to 4 hours
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Visitors mix water and sodium bicarbonate (baking soda) in a large flask. They then add citric acid to the mixture and stopper the flask. The resulting reaction creates carbon dioxide gas.

$1 - $5 per group Ages 6 - adult Under 5 minutes
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This is a classic exercise for visualizing the scale of the Solar System.

1 cent - $1 per group Ages 6 - adult 45 to 60 minutes
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Visitors separate a mixture of pebbles, salt crystals, and wood shavings by adding water and pouring the mixture through a strainer.

$1 - $5 per group Ages 6 - adult Under 5 minutes
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In this activity, learners interact with a 3-D model of a watershed to better understand the interconnectedness of terrestrial and aquatic environments.

Over $20 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners experience some of the challenges of "tele-operating" a robotic vehicle on another planet when they design and execute a series of commands to guide a human "rover" through

$5 - $10 per group Ages 8 - 18 45 to 60 minutes
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Many people think the different stages in the life of a star are actually different types of stars, rather than just stages in the life of a single star.

1 cent - $1 per group Ages 8 - adult 5 to 10 minutes
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In this activity, learners use a simple trick of perspective to dress friends in tiny cutout clothing. Learners make tiny pants out of card stock and tape them to the end of a stick.

1 cent - $1 per group Ages 6 - 18 5 to 10 minutes
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In this activity, learners will make a thaumatrope, an old-fashioned optical illusion that dates back to the 1820s.

1 cent - $1 per student Ages 6 - adult 10 to 30 minutes
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In this simple activity, learners create an electroscope by sticking two short pieces of magic tape together and then pulling them apart to find the sign of the charge on an unknown charged object.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners examine their tongue and taste buds.

1 cent - $1 per student Ages 6 - 18 Under 5 minutes
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In this activity, learners stain fabrics--on purpose!

Over $20 per group Ages 11 - 18 1 to 2 hours
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This activity was designed for blind learners, but all types of learners can play this game to learn about the major polyatomic ions (an ion that consists of two different elements).

$1 - $5 per student Ages 11 - 18 10 to 30 minutes
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In this activity, learners model estuaries, artificially enriching both fresh and salt water samples with different amounts of nutrients and observing the growth of algae over several weeks.

$5 - $10 per group Ages 14 - 18 1 to 4 weeks
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This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners make a model of a one-way heart valve to investigate how a heart controls the direction of blood flow.

1 cent - $1 per student Ages 8 - adult 10 to 30 minutes
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This online interactive has three activities in the NanoLab (press the upper right button): Build, Zoom, and Transform.

free Ages 4 - adult 10 to 30 minutes
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In this activity, learners work in teams build and launch rubberband-powered foam rockets.

$10 - $20 per group Ages 8 - 18 1 to 2 hours