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In this activity (located on page 2), learners will construct tiny model geysers out of film canisters, warm water, and antacid seltzer tablets.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity about human anatomy (page 16 of PDF), learners construct a model arm and discover how muscles and bones work together to achieve efficient movement.

$1 - $5 per group Ages 6 - 11 45 to 60 minutes
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Investigate how force and thrust work to propel rockets into outer space. Build a rocket: a blown-up balloon taped to a drinking straw threaded through some string.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners will build a roller coaster for a marble to run on using everyday household materials such as paper towel or toilet paper rolls, cups, boxes, books, buckets, chairs, etc.

$1 - $5 per group Ages 6 - 11 30 to 45 minutes
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In this activity, learners design wind-powered cars out of simple household materials. Students have fun designing and then racing their vehicles around the room.

$1 - $5 per student Ages 6 - 11 30 to 45 minutes
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In this activity, learners observe colors in the flame of a burning candle to explore connections between matter, light, color and temperature -- basic concepts of matter and energy.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
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In this activity, leaners explore building techniques by recreating the story of The Three Little Pigs.

$1 - $5 per group Ages 4 - 14 45 to 60 minutes
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Learners discover that soap can be used to power a boat. Learners make a simple, flat boat model, put it in water, and then add a drop of detergent at the back of the boat.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners create 3D geometric shapes using straws and pipe cleaners.

$1 - $5 per student Ages 8 - 18 1 to 2 hours
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In this activity, learners will use their chosen material to build the tallest tower possible in under three minutes. This activity uses problem solving and fine motor skills to challenge learners.

$1 - $5 per student Ages 4 - 8 10 to 30 minutes
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In this activity, learners explore the size and scale of dinosaurs. Learners listen to "Dinosaurs, Dinosaurs" by Byron Barton to understand some background information about dinosaurs.

$1 - $5 per group Ages 6 - 8 45 to 60 minutes
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This neuroscience activity introduces learners to how messages are sent and received by neurons. Learners use modeling clay and pipe cleaners to build model neurons.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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Learners use simple materials to construct a model the Big Dipper. Learners hang the model from a doorway or ceiling and look up at it to see the constellation as seen from Earth.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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In this design challenge, learners will create their own roller coaster using household objects for the track and a marble or small ball as their cart.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners explore dinosaur skeletons and anatomy. Learners make observations about a T. rex skeleton diagram and then measure the skeleton length and width.

$1 - $5 per group Ages 6 - 8 45 to 60 minutes
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Learners explore the field of civil engineering by making a bridge using spaghetti as their primary building material.

$1 - $5 per group Ages 11 - 14 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 (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 explore work, forces, simple machines, and construction. This lesson guide includes simple ways to demonstrate these principles as well as hands-on activities.

$1 - $5 per group Ages 4 - 8 1 to 2 hours
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In this activity, learners explore the relative sizes and distances of objects in the solar system.

$1 - $5 per group Ages 8 - 18 30 to 45 minutes