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Showing results 721 to 740 of 2375

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In this activity, learners will experiment with changing flower colors. Learners will investigate the effects of acids and bases on flower colors.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners will plan a snack within a budget. With a $20 limit (theoretical) to spend on snack for everyone, learners look over grocery store circulars and make their shopping lists.

free Ages 6 - 14 45 to 60 minutes
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This activity shows you how to make a mold terrarium using a jar and leftover food.

1 cent - $1 per group Ages 8 - 14 1 to 4 weeks
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In this outdoor activity and/or field trip, learners investigate the behavior of hopping animals.

$10 - $20 per group Ages 8 - 14 1 to 2 hours
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In this board game, learners explore the origins of meteors, meteoroids, and meteorites as well as the their characteristics and importance. They also discover some misconceptions about meteors.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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Learners use their knowledge of color changes with red cabbage indicator to neutralize an acidic solution with a base and then neutralize a basic solution with an acid.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners build a tool called an inclinometer that can find the height of any distant object, from a tree to the North Star.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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In this activity about light and reflection, learners discover that what you see is often affected by what you expect to see.

Over $20 per group Ages 8 - 14 5 to 10 minutes
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In this activity, learners will be able to measure themselves in nanometers. A nanometer is a billionth of a meter, a unit of measurement used in nanotechnology.

free Ages 6 - 18 5 to 10 minutes
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Many people get water from a source deep underground, called groundwater.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners are challenged to design a planktonic organism that will neither float like a cork nor sink like a stone.

$5 - $10 per group Ages 8 - adult 30 to 45 minutes
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In this activity, learners construct speedy vehicles made out of paper plates and powered by twisted rubber bands.

$1 - $5 per student Ages 6 - 18 45 to 60 minutes
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In this activity, learners use their sense of smell to explore the world on the nanoscale.

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this tabletop board game, players will represent a team of scientists and engineers sending a spacecraft on a mission to space.

1 cent - $1 per group Ages 4 - adult 30 to 45 minutes
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In this activity, learners add objects and substances to carbonated water to discover that added objects increase the rate at which dissolved gas comes out of solution.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners conduct an experiment to explore how water flows up from a tree's roots to its leafy crown.

$1 - $5 per student Ages 6 - 14 1 to 2 hours
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In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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Most people will break a bone in their body at some point in their life, but how much force does it take to break one?

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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In this health activity (page 5 of the PDF), learners will explore a unique connection betweeen the bones of the body.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners will explore the physics of liquids and gas by playing with both! Learners of any age use their own breath to move drops of water across a smooth wax paper surface.

1 cent - $1 per group Ages 4 - adult 5 to 10 minutes