 Geometry Scavenger Hunt What geometric shapes can you find on the playground? 
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Tiny Pants Photo Challenge Using a simple trick of perspective, you can dress your friends in tiny cutout clothing.
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Playground Patterns of Cracks Are some angles more common than others?
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Walk a Math Trail Get outside and explore geometry (and other math) all around you. VIDEO
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Walking Polygons Investigate the interior angles of polygons with your feet.
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Making a Sun Clock Before there were clocks, people used shadows to tell time! HANDS-ON
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Kosher Dill Current High energy prices got you down? Discover how pickles can ease your troubles. HANDS-ON
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Yeast-Air Balloons How can a microscopic organism lift several pounds of dough? Find out with this activity. HANDS-ON
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The Secret Lives of Flowers Take a peek at the colorful world of plant sex. INTERACTIVE
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Tired Weight Calculate the weight of a car using just a ruler and a tire pressure gauge. HANDS-ON
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Salt Volcano Make your own miniature "Lava Lite." HANDS-ON
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An Afternoon with Peter Whitehead PETER WHITEHEAD is an instrument builder, performer, and composer. VIDEO
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Ice Balloons What can you do with a frozen water balloon? Plenty! HANDS-ON
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Mathematics of Doubling It’s easy to fold a sheet of paper in half. But can you fold a sheet of paper in half ten times? HANDS-ON
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Hand-Held Heat Engine Boil liquid with just the heat of your hand. HANDS-ON
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Stripped-Down Motor Build a stripped-down motor, a simple, easy-to-make version of the electric motors found in toys, tools, and appliances. HANDS-ON
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 Science in the City The Exploratorium is "taking it outside" to explore natural and human-made phenomena in and around San Francisco. Look for new episodes twice each month.
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 Geometry Playground Geometry Playground will change the way you think about geometry. This exhibition engages your hands, brain, and body in playful investigations of this most visible branch of math.
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 Science Explorer Get messy with ExploraGoo and Outrageous Ooze! Get airborne with the Fabulous Foam Flyer! Get loud with the Water Gong or Straw Oboe!
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 Science of Music Explore the science of music with us, through these online exhibits, movies, and questions.
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 Brain Explorer Explore the unknown world inside your brain with these fun activities.
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 Science of Cooking Discover how a pinch of curiosity can improve your cooking! Explore recipes, activities, and Webcasts that will enhance your understanding of the science behind food and cooking.
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 Exploring Paper Learn about origami, make your own paper, and find out the best way to fold a paper airplane.
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 Exploring Hair Scientific knowledge and a few chemical concoctions can get you through a Bad Hair Day.
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 Iron Science Teacher Each webcast, the Exploratorium staff and teachers demonstrate their science projects and compete for the title of IRON SCIENCE TEACHER!
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 AfterSchool Activities Watch how-to videos for fun after school or at-home activities from the Digital Library.
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 Science of Hockey The Science of Hockey takes you inside the sport and explains the science behind the world's fastest game. The site contains RealVideo interviews with scientists and NHL players and coaches.
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 Skateboard Science Find out how this extreme sport is governed by the principles of momentum, gravity, friction, and centripetal force. Learn skateboarding history, technology, and more!
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