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Showing results 961 to 980 of 1554

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The goal of this activity is to build a miniature bobsled that is either the fastest or the slowest. Learners use recycled materials to design, build, and test their bobsled on a bobsled track.

$5 - $10 per group Ages 6 - 18 10 to 30 minutes
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In this activity, learners recreate a method of detecting and correcting errors in computers called 'parity'.

1 cent - $1 per group Ages 6 - 18 5 to 10 minutes
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In this activity, learners perform an experiment that models a chromatography-like process called electrophoresis, a process used to analyze DNA.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners make different shapes that hold exactly one mole of gas (air).

$1 - $5 per group Ages 14 - 18 30 to 45 minutes
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In this activity, learners touch and observe skulls of sharks and rays to learn about their diversity (over 400 species of sharks alone!).

Over $20 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners cut out 5 paper cards and label them with 1, 2, 4, 8, or 16 dot(s) to explore binary digits.

1 cent - $1 per group Ages 6 - 18 5 to 10 minutes
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In this activity, learners explore how engineers design tire treads to increase safety and reliability.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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This is an activity/demo in which learners are exposed to the difference bewteen hydrophobic surfaces (water repelling) and hydrophilic surfaces (water loving).

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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In some parts of the world, lakes freeze during winter. In this activity learners will explore water’s unique properties of freezing and melting, and how these relate to density and temperature.

$5 - $10 per group Ages 8 - adult 10 to 30 minutes
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In this fun and, at times, hilarious force and motion activity, learners will use household objects to build a crazy contraption and see how far they can get a tennis ball to move.

$1 - $5 per group Ages 4 - adult 1 to 2 hours
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In this activity, learners use geometry to predict the shape of carbon. Learners twist and attach chenille stem pieces that represent bonds between different carbon atoms.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
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In this activity, learners build their own magnetometer using an empty soda bottle, magnets, laser pointer, and household objects.

$5 - $10 per student Ages 11 - adult 1 to 2 hours
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In this outdoor activity, learners play a game of Tag to discover how neurons attach themselves to each other to form a chain.

free Ages 8 - 18 10 to 30 minutes
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In this biology activity (page 6 of the PDF), learners roll a die to create a simple model that teaches them about the factors contributing to heart disease.

1 cent - $1 per student Ages 14 - 18 10 to 30 minutes
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In this activity, learners explore the relative size of the Sun and Earth as well as the distance between them.

1 cent - $1 per group Ages 6 - 18 5 to 10 minutes
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In this activity about how the body regulates blood pressure (page 117 of the PDF), learners make and compare measurements of heart rate and blood pressure from three body positions: sitting, standing

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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In this three-part activity, learners use food to determine the effects of wind, sandblasting and water on regolith (dust) formation and deposition on Earth.

$1 - $5 per student Ages 8 - 18 45 to 60 minutes
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In this activity, learners will compare predicted and observed tides using data from The National Oceanic and Atmospheric Administration(NOAA).

free Ages 14 - 18 45 to 60 minutes
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Discover how a refracting telescope works by making one from scratch using common items. This telescope won't have a tube so the learner can see how an image is formed inside the telescope.

$10 - $20 per group Ages 14 - adult 45 to 60 minutes
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In this activity, learners will use simple materials to explore centripetal force and variables by swinging a cup of water without having the water spill out.

free Ages 6 - adult 10 to 30 minutes