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Showing results 1761 to 1780 of 2482

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In this activity, learners will use bubble wrap to print patterns on paper and experiment with mixing colors.

$5 - $10 per group Ages 4 - 8 10 to 30 minutes
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Learners add two dyes to mineral oil and water, and then compare their miscibility (how well they mix) in each.

$1 - $5 per group Ages 8 - 18 5 to 10 minutes
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In this activity related to microbes, learners use water drops and hand lenses to begin the exploration of magnification. This activity also introduces learners to the microscope.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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This display shows the dangers of acid rain on buildings and other structures as two concrete bunny rabbits are disintegrated by sulfuric acid. Learners scrape chalk onto the concrete bunnies.

$5 - $10 per student Ages 11 - adult 10 to 30 minutes
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This game depicts a woman going through her day, faced with various loud sounds.

free Ages 8 - 18 5 to 10 minutes
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In this experiment, learners discover how an airfoil creates lift. Learners use simple materials to build an airfoil and test it at different angles to investigate Bernoulli's principle.

$10 - $20 per student Ages 8 - 11 45 to 60 minutes
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In this chemistry activity, learners transform two ingredients (4% polyvinyl alcohol solution and 4% borax solution) into gooey slime.

$5 - $10 per student Ages 6 - 18 10 to 30 minutes
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In this activity, young learners will describe objects by their properties and sort by color, weight and texture. This activity uses household items and toys for materials.

$1 - $5 per student Ages 4 - 8 10 to 30 minutes
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In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.

$5 - $10 per student Ages 6 - 18 30 to 45 minutes
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In this activity, learners explore how spring scales work and how they are used for non-exact weight measurement.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners simulate the behavior of the atmosphere.

free Ages 8 - 14 10 to 30 minutes
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In this activity, learners explore how engineers work to solve the challenges of a society, such as delivering safe drinking water.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, you'll use a paper cup, a piece of cloth, and some string to make a musical instrument called a cuica (pronounced KWEE-kah).

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners explore how engineers work in a team to solve problems.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore how wind tunnels provide feedback to engineers about the performance and durability of products such as planes, cars, and buildings.

$10 - $20 per group Ages 11 - 18 1 to 2 hours
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In this activity, learners practice the steps involved in a scientific investigation while learning why ice formations on land (not those on water) will cause a rise in sea level upon melting.

$5 - $10 per group Ages 8 - 14 2 to 4 hours
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Learners investigate an iron-fortified cereal by stirring it with a strong magnet. They discover that metallic iron is present in some cereals.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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Learners measure a bottle full of air, and then use a vacuum pump to remove the air. When they re-weigh the bottle, learners find the mass is about 0.8g less.

Over $20 per student Ages 11 - adult 5 to 10 minutes
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In this activity related to microbes, learners create scale models of microorganisms and compare relative sizes of common bacteria, viruses, fungi and protozoa using metric measures: meters, centimete

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners explore the engineering behind life vests or personal flotation devices and the challenges met by these devices.

$10 - $20 per group Ages 8 - 14 1 to 2 hours