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Showing results 901 to 920 of 1740

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In this optics activity, learners use water to make a coin "appear" and "disappear." Use this activity to demonstrate how light refracts and introduce light as waves.

1 cent - $1 per student Ages 6 - 11 Under 5 minutes
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In this activity, learners explore dinosaur fossils by making an edible treat. First, learners read "Dinosaur Bones" by Aliki to examine how fossils are formed.

$10 - $20 per group Ages 6 - 8 45 to 60 minutes
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In this hands-on art and science activity (page 4 of the pdf), learners brainstorm and discuss how humans use wetlands, then express their understanding of the subject in artwork.

1 cent - $1 per student Ages 8 - 11 1 to 2 hours
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In this activity, learners explore the size and scale of dinosaurs. Learners listen to "The Littlest Dinosaurs" by Bernard Most to learn about the different sizes of dinosaurs.

1 cent - $1 per group Ages 6 - 8 45 to 60 minutes
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Learners tour their school or home looking for sources of indoor air pollutants (IAPs).

free Ages 8 - 14 45 to 60 minutes
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In this plant science activity, learners conduct four experiments to observe how plants respond to sunlight and gravity.

$10 - $20 per group Ages 8 - 14 1 to 7 days
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In this activity, learners identify the DNA base bars guanine, cytosine, thymine and adenine. Learners create a DNA model using colored paper clips to resemble these base pairs.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners explore healthy choices related to the foods they eat. The importance of a variety of fruits and vegetables to a healthy diet is the focus of the experience.

$1 - $5 per group Ages 4 - 8 45 to 60 minutes
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Some bugs can walk on the surface of a lake, stream, river, pond or ocean.

$1 - $5 per group Ages 8 - adult 5 to 10 minutes
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In this activity (page 5 of pdf), learners explore the relationships between the shape and structure of a shark's teeth and the food it eats, and then create their own shark tooth from clay.

$1 - $5 per student Ages 6 - 11 1 to 2 hours
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In this activity on page 8 of the PDF (Behind the Scenes with Chemistry), learners make three of Harry Potter's essential school supplies: quills, ink, and color-changing paper.

$10 - $20 per student Ages 8 - 14 1 to 7 days
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In this activity, learners survey living organisms near where they live or go to school, and create a local field guide.

$1 - $5 per group Ages 6 - adult 30 to 45 minutes
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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 online activity exploring our perception of "cuteness," learners adjust various factors (like pupil size or length of limbs) on a face, a cat, and a hammer.

free Ages 6 - 14 5 to 10 minutes
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In this activity, learners will discover how the thin layers of amphibians' skin allow water and other chemicals to pass through it.

$1 - $5 per group Ages 6 - adult 1 to 7 days
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In this outdoor fall activity, learners find out what living in or under a layer of leaves is like.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this outdoor activity, learners go "can fishing" and discover the kinds of aquatic organisms that live in and on submerged cans.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.

1 cent - $1 per student Ages 14 - 18 10 to 30 minutes
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In this activity, learners create a large film of soap and experiment with what can and cannot pass through it.

$10 - $20 per group Ages 8 - 18 5 to 10 minutes
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In this activity, learners learn about the adaptations that flowers have developed which support pollination. Learners also list their personal preferences (i.e.

free Ages 8 - 14 30 to 45 minutes