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In this activity (page 2 of PDF under GPS: Garbology Activity), learners will prepare sheets of homemade recycled paper from several different source pulps.

$10 - $20 per group Ages 8 - 14 1 to 7 days
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In this playful, goopy activity, learners mix two liquids to create a solid (that sometimes acts like a liquid ), using basic household materials such as borax and glue.

$1 - $5 per student Ages 6 - 11 45 to 60 minutes
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In this activity, learners work in small groups to match various marine animals with their different environments.

free Ages 4 - 8 30 to 45 minutes
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Align four color transparencies, each one a single color (cyan, magenta, yellow, and black), and see a beautiful full color image.

1 cent - $1 per student Ages 6 - 14 Under 5 minutes
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In this activity, "write" a secret message in genetic code as beads on a string.

$1 - $5 per student Ages 11 - 18 30 to 45 minutes
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In this activity, learners make their own bug boxes and test the habitat preference of selected "minibeasts" (bugs).

$5 - $10 per student Ages 6 - 14 2 to 4 hours
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In this nutrition activity (page 2 of the PDF), learners will be split up into food groups (Fruit, Vegetable, Meat & Beans, Grain, and Dairy) and draw a picture of their favorite food from their g

1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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In this activity, learners make critters out of recyclables and apply the rules of mathematics to solve genetics problems.

$5 - $10 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners make balloon models of disease-causing bacteria.

$5 - $10 per group Ages 6 - 18 10 to 30 minutes
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In this Bob the Builder(TM)-themed activity, learners go on a nature walk outside and describe what they observe using their senses.

$5 - $10 per group Ages 4 - 6 30 to 45 minutes
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In this activity, learners build inexpensive kaleidoscopes using transparency paper and foil (instead of mirrors).

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this outdoor activity, learners use artificial bees and paper models of flowers to find out how bees transfer pollen from one flower to another.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners will experiment with water- and air-filled balloons as a way of dampening sound before it reaches their ears.

$5 - $10 per group Ages 11 - adult 10 to 30 minutes
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In this outdoor art/environmental activity, learners create designs that will attract attention to animals and plants in particular habitats, and then test whether their designs attracted the "right"

$1 - $5 per group Ages 6 - 14 45 to 60 minutes
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Find out what it would be like to have ears shaped differently from your own! Design and make different animal ears then try them out.

1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
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Learners complete a series of hands-on and investigative activities to explore cumulus clouds.

$5 - $10 per group Ages 4 - 11 30 to 45 minutes
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In this activity, learners explore the possibilities of clay as a natural material.

$5 - $10 per group Ages 4 - 11 30 to 45 minutes
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In this activity about camouflage, learners create a model that shows how a flounder is able to blend into a variety of environments.

1 cent - $1 per student Ages 6 - 11 30 to 45 minutes
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In this artistic activity, learners blow up a smaller picture into a larger one, by using a grid.

1 cent - $1 per group Ages 6 - 11 30 to 45 minutes
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In this optics activity, learners use everyday materials to make a color wheel. When learners spin the wheel like a top, they will be surprised to see all the colors mixing together to appear white.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes