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Showing results 581 to 600 of 771

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In this chemistry activity (page 8 of the PDF), learners will identify the instances of physical change, chemical change, and solutions while making homemade soda pop.

$10 - $20 per group Ages 8 - 14 1 to 7 days
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In this activity (located at the bottom of the page), learners investigate soil and explore the creatures that live in it.

free Ages 4 - 11 1 to 7 days
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In this experiment, learners use a blow dryer and water bottle to observe and record changes in air pressure caused by changes in temperature.

$5 - $10 per group Ages 8 - 14 5 to 10 minutes
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Learners build a simple solar oven from a shoebox, black construction paper, and aluminum foil. Over the course of a few hours, the oven heats up water enough to brew tea.

$1 - $5 per student Ages 8 - 11 45 to 60 minutes
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In this activity (on page 2 of the PDF under GPS: Sailboat Design Activity), learners will discover how the shape of an object, not just its weight, determines whether it floats or sinks.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this outdoor activity and bingo-like game, learners explore why and how seeds spread far from the plants that produce them.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this demonstration/activity, water streaming through holes in the bottom of a suspended soda pop can causes the can to rotate.

1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
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In this activity, learners explore how nanotechnology is being used to create new types of protective fabrics.

Over $20 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners make pykrete by freezing a mixture of water and a material like cotton wool, grass, hair, shredded paper, wood chips, or sawdust.

1 cent - $1 per student Ages 4 - adult 4 to 24 hours
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In this activity, groups cut out and sort cards showing items recovered from a crash landing on the Moon. The 12 items range from food and water to rope and matches to a self-inflating life raft.

1 cent - $1 per group Ages 6 - adult 10 to 30 minutes
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Learners make a simple battery out of "sandwiches" of aluminum foil, pennies, and a salt water-soaked paper towel.

$1 - $5 per group Ages 8 - 14 5 to 10 minutes
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In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?

1 cent - $1 per student Ages 6 - 11 45 to 60 minutes
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Using yeast, sugar, and water, learners create a chemical reaction which produces carbon dioxide (CO2) gas inside a 2-liter bottle. They use this gas to inflate a balloon.

$1 - $5 per student Ages 6 - 18 10 to 30 minutes
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In this activity, learners explore how air warms when it condenses water vapor or makes clouds.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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Learners use a universal indicator to test the amount of sodium hydroxide needed to change the pH of plain water compared with the amount needed to change the pH of gelatin.

$1 - $5 per group Ages 14 - adult Under 5 minutes
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In this physics activity, learners build their own rockets out of film canisters and construction paper.

$5 - $10 per student Ages 6 - 18 10 to 30 minutes
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Learners make their own paper. They start by shredding old newspaper, clean toilet paper, and clean paper towels.

$1 - $5 per student Ages 8 - 11 30 to 45 minutes
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In this activity, learners separate materials based on their special properties to mimic the way recyclables are sorted at recycling centers.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this chemistry meets cooking activity, learners make carbonated, vanilla ice cream using dry ice and denatured ethanol, which are both inexpensive and accessible.

Over $20 per group Ages 8 - adult 45 to 60 minutes
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Learners work in groups to construct bridges using stale marshmallows and toothpicks.

$5 - $10 per group Ages 11 - 14 30 to 45 minutes