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In this activity, learners slide shapes to create unusual tiled patterns.

1 cent - $1 per student Ages 8 - 11 30 to 45 minutes
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In this craft activity, learners will recognize, name, and compare the fractions 1/2, 1/4, and 1/8 by constructing a penguin out of portions of paper circles.

$1 - $5 per group Ages 4 - 11 30 to 45 minutes
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In this activity, learners create their own constellations and star patterns and write a short, descriptive story explaining the significance of their star pattern/constellation.

$5 - $10 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners create a traditional Mexican noisemaker (a matraca) using cardboard, craft sticks, and a wooden dowel.

$1 - $5 per student Ages 6 - 18 1 to 2 hours
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In this math lesson, learners practice reading charts and graphs by creating and interpreting glyphs.

1 cent - $1 per student Ages 8 - 11 45 to 60 minutes
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In this activity, learners build small animated toys that move.

$1 - $5 per student Ages 6 - 14 30 to 45 minutes
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In this activity, learners build a mini crank machine to make a bird "fly." This engineering activity introduces learners to automata, rotational motion, cranks and cams.

$1 - $5 per student Ages 6 - 11 1 to 2 hours
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In this math lesson, learners follow step-by-step directions for making tangram pieces out of folded and torn paper. First, learners read "Grandfather Tang's Story" by Ann Tompert.

1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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In this math lesson, learners explore the concept of using units to measure length.

$1 - $5 per group Ages 4 - 6 45 to 60 minutes
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In this activity, learners make mobiles to explore the concepts of balance, counterbalance, weight, and counterweight.

$5 - $10 per student Ages 6 - 14 10 to 30 minutes
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In this math activity, learners create symmetrical designs for paper models of special blouses known as huipiles.

1 cent - $1 per student Ages 4 - 8 5 to 10 minutes
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In this activity, learners explore properties of water and watch evaporation happen by "painting" with water in the sun.

$5 - $10 per group Ages 4 - 8 10 to 30 minutes
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In this science and language arts activity, learners study fish anatomy and make their very own 3D paper fish.

1 cent - $1 per student Ages 6 - 11 45 to 60 minutes
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This is a tape and glue activity in which learners make binoculars that they can decorate and then use to go bird watching.

$5 - $10 per group Ages 4 - 6 10 to 30 minutes
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This activity guide features three related explorations to help learners ages 3-6 investigate shadows via the following science concepts: A shadow is made when an object blocks the light; you can chan

$5 - $10 per group Ages 4 - 6 45 to 60 minutes
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In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.

1 cent - $1 per student Ages 11 - 14 45 to 60 minutes
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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 activity, learners explore sound by constructing tube zithers, stringed instruments from Southeast Asia and the South Pacific.

$5 - $10 per student Ages 6 - 18 45 to 60 minutes
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In this activity, learners explore color, light and shadow by creating their own puppets to hold in front of a light source.

$10 - $20 per group Ages 4 - 6 10 to 30 minutes
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In this activity (located on page 6 of PDF), learners observe and reproduce the distinctive physical features (i.e. plates, sharp spikes, long necks, deep jaws, claws) of their favorite dinosaurs.

$10 - $20 per group Ages 4 - 11 1 to 7 days