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In this design challenge, learners design a storm drain cover that catches litter to protect waterways to learn about how local actions can have system-level effects.

$5 - $10 per student Ages 6 - 14 45 to 60 minutes
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In this activity, learners build cars using syringes and water-powered hydraulics. Learners construct the car frame out of cardboard and set up a hydraulic system to raise and lower the car.

$1 - $5 per student Ages 6 - 14 1 to 2 hours
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In this activity on page 5 of the PDF, learners mimic the process for making bricks. Learners shape and bake creations from a dough that is made from flour, salt, and water.

$1 - $5 per student Ages 6 - 11 45 to 60 minutes
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In this activity, learners create colorful bead bracelets to wear outside while searching for matching colors in plants. Learners will be surprised by the variety of colors in nature.

$5 - $10 per group Ages 4 - 8 45 to 60 minutes
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In this two-part activity, learners compare and contrast a variety of life cycles to better understand different organisms and how they develop.

$1 - $5 per group Ages 6 - 11 1 to 7 days
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In this activity, learners act out the flow of blood in the human body! A great way to get learners up and moving while learning about the circulatory system.

1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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In this story time program, young learners listen to the Dr.

Over $20 per group Ages 4 - 11 10 to 30 minutes
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During this activity, learners take part in a variety of tasks which involve moving and balancing different body parts.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners build a mini dancing robot. This engineering activity introduces learners to electricity, circuits, switches, conductivity, and motors.

$5 - $10 per student Ages 6 - 14 45 to 60 minutes
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As a long-term project, you can rear monarch butterflies at home or in a classroom.

$5 - $10 per group Ages 6 - adult 1 to 12 months
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In this activity (located on page 6 of the PDF), learners explore the ways people access water in their homes.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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Make a kite out of a garbage bag, shower curtain, painting tarp--anything light, thin, flexible and plastic!

1 cent - $1 per student Ages 6 - 14 45 to 60 minutes
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In this activity, learners build mini-basketball courts and explore the laws of physics. Learners discover that everything you throw or shoot on earth travels in a parabola.

$10 - $20 per student Ages 6 - 18 30 to 45 minutes
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In this activity, learners build a racecar using only a rubber band, spool, straw, and paper clip! This racer is a classic toy that zips across a flat surface.

1 cent - $1 per student Ages 6 - 11 30 to 45 minutes
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Build your own version of a favorite carnival game, in which a marble races down a maze consisting of rows of nails.

$10 - $20 per student Ages 6 - 14 1 to 2 hours
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Students design and build their own parachutes in this hands-on engineering project.

$1 - $5 per group Ages 6 - 11 45 to 60 minutes
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In this activity (located on page 5 of PDF), learners work in groups to create dig sites for display.

$10 - $20 per group Ages 6 - 11 30 to 45 minutes
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In this outdoor activity, learners build bird nests and place them in the activity area, then play the role of naturalists as they try to locate each other's nests.

$1 - $5 per group Ages 6 - 11 45 to 60 minutes
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In this activity, learners write invisible messages on goldenrod paper, and make the message appear and disappear using acids and bases.

1 cent - $1 per student Ages 6 - 14 30 to 45 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