Amazon.com® and Instructables are pleased to announce the winners of the Science Fair! The entries were sweet, and I personally learned quite a few new things. Check out all the projects here.Grand PrizeThe grand prize winner for will receive a USD $1,500 Amazon.com gift certificate, a custom laser-etched Leatherman Juice S2 multi-tool, and an Instructables Robot t-shirt.The Rubens' Tube: Soundwaves in Fire! by yourtvliesFirst PrizeEach first prize winner will each receive a USD $250 Amazon.com gift certificate, a custom laser-etched Leatherman Juice S2 multi-tool, and an Instructables Robot t-shirt.Build an antique style crystal radio by OhmWiimote Rubens Tube: Control Fire With Sound! (And a Nintendo Wiimote!) by ScaryBunnyManKitchen laboratory II: The CO2 trap by syribiaThe Hilsch vortex tube by thecheatscalcRunners UpThe runners-up will each receive a USD $25 Amazon.com gift certificate, an Instructables patch, and stickers.A simple mechanical resonance demonstrator by 5VoltHow to make plastic by aaPreparing your own thin layer chromatography plates (and then using them) by allanf0Make a Voltage Controlled Resistor and Use It by BioteleElectromechanical Transducer Out of a Polystyrene Conical Section! by BookburnMake Potato Plastic! by Brandon121233The Bio-Battery - Power for the future. (So easy a 10 year old can do it.) by chowdeshellMotor Speaker by guyfrom7upHow to make air muscles! by HonusMeasure the drag coefficient of your car by iwilltryBarbie Doll Electric Chair Science Fair Project! by jessyratfinkMake an Evaporative Terra Cotta Beer Chiller by jolshefskyBe a scientist: make your own force meter. by Kiteman8X10 foldable pinhole camera by lennybBuilding a better Guinea and Feather by Luke LuckGrowing Mushrooms: PF Tek by nakKelvin's Thunderstorm - Create lightning from water and gravity! by NK5Be a Scientist: Learn about Triboluminescence (or Lightning in your by RedNeckOreoLet's go green! Build a Solar Powered Parabolic Cooker! by WeissensteinburgGeodesic Dome Greenhouse by yes2techFamily CollaborationThese collaborating families will receive a matched set of Instructables Robot t-shirts and an acrylic Robot plaque laser-engraved with their names!The Bio-Battery - Power for the future. (So easy a 10 year old can do it.) by chowdeshellLaunch it: the Huffin' Hoopster by KitemanAll winners should watch their inboxes for a private message with prize-claim instructions.The following Instructables were rated high enough to be runners-up, but the authors already had a winning entry:Hack The Spy Ear and Learn to Reverse Engineer a Circuit by BioteleBuild a solar hot dog cooker by iwilltryMeasure the specific heat of water and other fluids by iwilltryBe a Scientist: map your skin by KitemanThe Chaos Machine (Double Pendulum) by Luke LuckKitchen laboratory: Proteins and Cheese making by syribiaMake Rheopectic slime in less than 15 minutes! (It is not Oobleck) by syribiaGive a big round of applause to our awesome judges who spent hours going through each project:Bill Burkland, CameronSS, canida, dan, dave spencer, ewilhelm, fungus amungus, jeffkobi, KaptinScarlet, lebowski, noahw, Peanut, turkey tek, viron, and zieak.From complete voting results, go here.Amazon, Amazon.com and the Amazon.com logo are registered trademarks of Amazon.com Inc. or its affiliates.