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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
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This is part 3 of the three-part "Crayon Rock Cycle" activity. Before starting this section, learners must have completed part 1: sedimentary rock and part 2: metamorphic rocks.

$5 - $10 per student Ages 4 - adult 10 to 30 minutes
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In this activity on page 8 of the PDF, learners make a slimy substance very similar to mucus, and sprinkle it with glitter to imitate the way that allergens are trapped.

$5 - $10 per student Ages 6 - 18 10 to 30 minutes
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Can you read the sentence "I C U"? Not really - but if you say each letter aloud, you'll say the simple sentence, "I see you." What if you change the "C" into a picture of an eye?

free Ages 4 - 11 10 to 30 minutes
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In this activity, learners are challenged to lift a floating ice cube out of a glass of water using just one end of a piece of string.

1 cent - $1 per student Ages 6 - 14 Under 5 minutes
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In this activity on page 14 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners turn plain pieces of recycled plastic into shrunken works of art.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners construct three quick and simple mechanisms to start building a pop-up book. Learners fold, cut, and glue paper to make a bird beak, parallelogram, and V-fold.

1 cent - $1 per student Ages 6 - 14 30 to 45 minutes
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In this activity, learners investigate the concepts of relative size and distance by creating a basic model of the solar system.

1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners build a bird feeder or feeders to attract birds for observation.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners will explore engineering concepts to construct a blanket fort using materials sourced from home.

free Ages 4 - adult 10 to 30 minutes
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In this biology/ecology activity, learners construct a terrarium out of a tennis ball container. This terrarium is unique because it never has to be watered.

$1 - $5 per student Ages 6 - 11 1 to 4 weeks