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Showing results 161 to 180 of 645

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In this activity, learners explore sound by constructing an instrument toy that buzzes when you swing it.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners explore the forces at work in water. Learners experiment to find out what happens to pepper in water when they touch it with bar soap and liquid detergent.

$1 - $5 per student Ages 8 - 18 5 to 10 minutes
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In this activity, learners explore acid and bases as they create their own invisible ink out of baking soda and grape juice.

$1 - $5 per student Ages 4 - 18 10 to 30 minutes
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How does a green roof, or roof covered by plants, affect the temperature of the inside and outside of a building? Learners design and build houses to find out the answer.

$1 - $5 per group Ages 11 - 14 1 to 2 hours
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In this chemistry demonstration, learners observe a chemical reaction that produces a colorful effect.

$1 - $5 per group Ages 11 - 18 Under 5 minutes
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In this activity, learners will explore the dynamics of air pressure by using a candle, a cup, and a dish of water.

$1 - $5 per student Ages 4 - 18 5 to 10 minutes
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Learners build simple catapults and use them to launch cotton balls.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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In this activity learners compare the bounciness of warm and cold racquetballs to see if temperature makes a difference in how well they bounce.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity on page 9 of the PDF, learners make their own paint using chalk as a pigment and glue and water as binders. This activity introduces learners to special mixtures called suspensions.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this activity about electricity, learners explore what happens when you blow a fuse.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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Learners investigate signs of a chemical reaction when they mix vinegar and baking soda. In addition to a gas being produced, learners also notice the temperature decreases.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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Many germs spread by our hands, and often times, people don't wash their hands well enough to get rid of germs.

$1 - $5 per group Ages 6 - adult 5 to 10 minutes
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In this activity, learners will imagine the challenges and opportunities of asteroid mining.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners explore ray optics. Learners discover that they can use a magnifying glass to create an upside-down image.

$1 - $5 per group Ages 4 - 11 10 to 30 minutes
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In this activity, learners create and understand surface currents. Learners create example surface currents and discover how landmasses affect the current.

$1 - $5 per group Ages 8 - 11 10 to 30 minutes
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Learners construct a bird feeder from re-used materials. After hanging their feeder, they keep a journal about what birds visit the feeder.

$1 - $5 per student Ages 6 - 11 1 to 4 weeks
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In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.

$1 - $5 per student Ages 4 - 11 1 to 2 hours
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In this activity, learners will code an algorithm to make it through a maze.

$1 - $5 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners will take a step back and learn the history of the land they live on, and the people who used to live on it.

$1 - $5 per student Ages 6 - adult 30 to 45 minutes
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In this activity, learners use simple materials to construct a balloon-powered pinwheel. The pinwheel is a great way to investigate Newton's Third Law of Motion.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes