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Showing results 241 to 260 of 2169

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In this activity, learners try pouring water out of a regular cup and a miniature cup. It’s harder than it sounds! Learners discover that different forces dominate at different size scales.

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this quick activity (page 1 of PDF under SciGirls Activity: Hockey), learners will use a simple physics of motion and gravity demonstration to test their predicting skills.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners explore how changes in fluid pressure affect the buoyancy of a Cartesian diver inside a plastic soda bottle.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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Learners apply their knowledge from a previous study to identify different liquids--water, corn syrup, and vegetable oil.

$1 - $5 per group Ages 4 - 8 10 to 30 minutes
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In this lesson that includes hands-on activities and demonstrations, learners discover that it is the tilt of the Earth's axis (not its proximity to the sun) that causes the seasons.

free Ages 11 - 14 45 to 60 minutes
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In this chemistry challenge, learners discover that many chemical reactions involve heat loss or gain.

$10 - $20 per group Ages 4 - 14 10 to 30 minutes
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Learners are challenged to discover the relative densities of colored liquids to create a rainbow pattern in a test tube.

$5 - $10 per group Ages 4 - 14 10 to 30 minutes
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In this activity, learners will be introduced to citizen science projects that can be done from home.

free Ages 14 - adult 45 to 60 minutes
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In this activity, learners conduct a simple test to find their blind spot.

1 cent - $1 per student Ages 8 - 14 Under 5 minutes
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This activity (on page 2 of the PDF under SciGirls Activity: Hovercraft) is a full inquiry investigation into hovercraft engineering and design optimization.

Over $20 per group Ages 8 - 14 1 to 7 days
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In this activity, learners use chemistry to “self-assemble” gummy shapes. Learners discover that self-assembly is a process by which molecules and cells form themselves into functional structures.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
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Young learners investigate and observe the properties of three liquids -- water, vegetable oil, and corn syrup. They use their senses to collect data and ask and answer questions.

$1 - $5 per group Ages 4 - 8 10 to 30 minutes
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In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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Learners conduct an experiment to determine the rate at which two materials, sand and water, heat up and cool down.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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In this activity (25th on the page) about learning and memory, learners explore a training method that animal trainers employ called "shaping." Working in pairs, learners will attempt to "shape" each

$1 - $5 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners create a cylindrical mirror to see themselves as others see them.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners construct drums out of everyday containers (like bowls or food containers) and shrink wrap. Learners use a hair dryer to affix and tighten the shrink wrap to the container.

$5 - $10 per student Ages 6 - 11 5 to 10 minutes
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In this quick activity (page 1 of the PDF under SciGirls Activity: Extreme Sounds) about sound vibrations, learners will investigate which small objects, such as coins, hex nuts, or marbles, produce t

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this engineering activity, learners investigate the differences between the strength of bridges made from flat and round building materials.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes