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Showing results 81 to 100 of 133

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In this activity, learners use things from the kitchen as building materials to explore how shapes contribute to the strength of different structures.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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Learners observe a tank of water containing cans of diet and regular sodas. The diet sodas float and the regular sodas sink. All the cans contain the same amount of liquid and the same amount of air.

$5 - $10 per group Ages 6 - 14 5 to 10 minutes
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In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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In this hands-on activity, learners make the world's simplest Cartesian diver, using only a plastic bottle, some water, and a condiment packet.

free Ages 6 - adult 5 to 10 minutes
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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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In this activity, learners will discover how to make butter from scratch. One optional tips includes adding marbles to speed up the process.

$1 - $5 per group Ages 4 - 18 30 to 45 minutes
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In this activity, learners of all ages can become food scientists by experimenting with flour and water to make basic pasta.

$1 - $5 per group Ages 4 - adult 45 to 60 minutes
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No glue is needed for learners of any age to become marshmallow architects or engineers.

1 cent - $1 per student Ages 4 - 14 30 to 45 minutes
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Some animals can swallow food whole, but humans have to chew. In this activity, learners will investigate what saliva does chemically to food before we even swallow.

$5 - $10 per group Ages 6 - adult 30 to 45 minutes
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In this activity, learners build models of comets, using edible materials, to learn about comets' structure.

Over $20 per group Ages 6 - 18 45 to 60 minutes
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In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

1 cent - $1 per student Ages 6 - 18 5 to 10 minutes
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In this matching activity (3rd activity on the page), learners use their sense of smell to match pairs of opaque containers filled with various smelly items like orange peel, roses, or moth balls.

$1 - $5 per group Ages 4 - 14 5 to 10 minutes
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In this chemistry activity (page 1 of the PDF), learners will observe a physical change.

$1 - $5 per student Ages 6 - 14 1 to 4 weeks
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In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this online activity, learners experience the thrill of pickle making, and explore how a cucumber becomes a pickle.

free Ages 6 - 14 5 to 10 minutes
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Choose a recipe to double (or triple, quadruple, or halve). Show everyone the recipe and engage them in figuring out: How much will we need to increase the recipe to feed everyone?

1 cent - $1 per group Ages 4 - 14 30 to 45 minutes
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In this chemistry demonstration, learners investigate the rule "likes dissolve likes" by combining three, immiscible liquids to create a colorful density column.

$1 - $5 per group Ages 6 - 18 Under 5 minutes
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This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
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This activity demonstrates the importance of wearing a helmet to protect the brain. An egg is used to symbolize a head with the shell as the skull and the inside of the egg as the brain.

1 cent - $1 per group Ages 4 - 14 10 to 30 minutes
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In this activity, learners experiment with how dish soap and fat interact by making a colorful swirl.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes