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In this three part activity, learners explore and experiment with shadows to learn about the Sun's relative motion in the sky.

1 cent - $1 per group Ages 4 - 11 1 to 2 hours
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This activity (located on page 8 of the PDF) introduces learners to the concept of Non-point Source Pollution--what happens when rain washes garbage and other pollutants into rivers and lakes.

$5 - $10 per group Ages 6 - 11 5 to 10 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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In this activity, learners mix up a bubbly brew and examine density. Learners explore how they can make different materials fall and rise in water using oil, water, and salt.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
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In this engineering activity, challenge learners to build a tower out of 10 sheets of newspaper and 3 feet of masking tape, which can hold a golf ball balancing at the top.

1 cent - $1 per group Ages 6 - 11 10 to 30 minutes
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In this health activity (page 7 of the PDF), learners will discover the importance of handwashing as a factor in reducing the spread of pathogens.

$1 - $5 per group Ages 4 - 11 5 to 10 minutes
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In this activity, learners construct paper airplanes that twist and turn.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this bilingual (English/Spanish) activity, learners create family trees by tracing the hands of their family members.

1 cent - $1 per student Ages 6 - 11 30 to 45 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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Are fingers the only place on the body where we use our sense of touch? In this activity (6th activity on the page), learners test the touch sensitivity of different parts of the body.

free Ages 4 - 18 5 to 10 minutes
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In this activity (page 5 of the PDF), learners will create a food web and explore food sources for different organisms. They will identify relationships between organisms in an ecosystem.

$1 - $5 per group Ages 6 - 11 45 to 60 minutes
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In this easy demonstration (3rd on the page), learners explore depth perception by conducting a test with two pencils.

free Ages 4 - 18 Under 5 minutes
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In this activity, learners play a guessing game to explore classification.

free Ages 6 - 11 5 to 10 minutes
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In this physics activity, challenge learners to make a rubber band-powered spool racer. Demonstrate principles of motion as well as potential and kinetic energy.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners find the answer to the question, "if you have a pile of 8 cards, and you remove half, then half again, how many times can you do this until you get to just one card?" This w

1 cent - $1 per group Ages 6 - 18 5 to 10 minutes
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In this hands-on activity, learners use toothpicks to build different triangles and squares and then use the toothpicks to build and solve some tricky shape puzzles.

$1 - $5 per group Ages 6 - 11 5 to 10 minutes
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In this activity, learners explore the process of condensation.

1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners explore how the application of nano-sized "whiskers" can protect clothing from stains.

Over $20 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners use transparent tape and polarizing material to create and project beautifully colored patterns reminiscent of abstract or geometric stained glass windows--no glass required

$10 - $20 per student Ages 6 - 14 10 to 30 minutes
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Learners explore the endless possibilities of cardboard engineering in this open-ended STEAM activity. Practice being creative by building structures with no glue, only cardboard and scissors.

free Ages 4 - adult 10 to 30 minutes