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Learners follow directions to construct a water-powered electrical generator using a turbine made from plastic spoons.

$10 - $20 per student Ages 11 - 18 1 to 2 hours
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In this activity about states of matter, learners get to witness firsthand the awesome power of air pressure. They watch as an ordinary soda can is crushed by invisible forces.

free Ages 8 - 11 10 to 30 minutes
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In this activity, learners explore healthy choices related to the liquids they drink. The importance of water and milk as essential nutrients for a healthy body is the focus of the experience.

$1 - $5 per group Ages 4 - 8 45 to 60 minutes
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In this activity, learners explore dinosaurs and fossils by creating a diorama.

Over $20 per group Ages 4 - 8 1 to 2 hours
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Learners will explore the concept of angular distance, and investigate why the moon appears to be the same size as the sun during a solar eclipse, despite the sun being much larger.

1 cent - $1 per group Ages 6 - adult 5 to 10 minutes
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In this multi-step experiment (page 4 of pdf), learners study tide pools, and then drop a "wave" (a 4-pound bag of beans or birdseed) on a shell to mimic the force of crashing surf on tide pool animal

1 cent - $1 per student Ages 8 - 11 45 to 60 minutes
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Cardboard Automata are a playful way to explore simple machine elements while creating a mechanical sculpture.

$5 - $10 per student Ages 8 - adult 1 to 2 hours
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In this activity, learners use design thinking to design and build their own bridge out of household materials including adhesives and/or connectors.

$1 - $5 per student Ages 6 - 18 30 to 45 minutes
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In this activity about the relationship between food and energy (page 8 of PDF), learners estimate average daily baseline energy (Calorie) needs and energy needs for different levels of activity.

free Ages 8 - 14 45 to 60 minutes
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In this activity (page 32 of PDF), learners investigate the nutritional needs of healthy bones and muscles.

free Ages 6 - 11 45 to 60 minutes
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This activity focuses on interactions within Earth systems and the effects of human activities. In this activity learners build a biomass pyramid.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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Learners investigate the properties of the liquids in two bottles. One contains layers of oil and water, and one contains oil, water, and soap.

$1 - $5 per group Ages 4 - 14 10 to 30 minutes
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In this activity about electricity, learners identify parallel and series circuits. First, learners examine and label diagrams of complete circuits.

$10 - $20 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners will experiment with textures, shapes, and materials and create their own unique masterpieces.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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In this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

1 cent - $1 per student Ages 11 - 18 30 to 45 minutes
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In this math lesson, learners construct box-and-whisker plots to analyze and compare data sets. Learners investigate whether or not long-legged people run faster than short-legged people.

$1 - $5 per group Ages 11 - 14 1 to 2 hours
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In this activity, learners use tonic water to detect ultraviolet (UV) light from the Sun and explore the concept of fluorescence.

$1 - $5 per group Ages 6 - adult 5 to 10 minutes
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In this activity (page 4 of the pdf), learners build a model of a tide pool, using chicken wire, paper mache, and other craft materials.

$1 - $5 per student Ages 6 - 11 1 to 2 hours
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In this activity, learners manipulate film to create homemade movies. Scratch Film, also known as Direct Animation, is the process of drawing and scratching designs directly onto film.

Over $20 per group Ages 11 - adult 2 to 4 hours
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In this activity, learners use binoculars (or a telescope) to identify and track sunspots. If using binoculars, learners need a pair that can be secured on a tripod.

Over $20 per group Ages 8 - adult 10 to 30 minutes