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Fourth Grade Videos (1,202 results)

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Written instructions for this color detection circuit science project, including a parts list and circuit diagram, are available on the Science Buddies website: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p088/electricity-electronics/build-a-circuit-to-detect-ripe-produce?ytid=RSxscDvVWwo&ytsrc=description Our multimeter tutorial is available here: https://youtu.be/ts0EVc9vXcs Science Buddies also hosts a library of instructions for over 1,500 other hands-on…
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This video explains the fundamentals behind the K-Nearest Neighbors (KNN) algorithm and how it can be a valuable tool in data classification and pattern recognition. Written instructions and example code for Science Buddies KNN…
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This video explains the fundamentals behind the Minimax algorithm and Alpha-Beta Pruning and how it can be utilized in two-player turn-taking games such as Connect 4. Written instructions and example code are available on the Science Buddies website: https://www.sciencebuddies.org/science-fair-projects/project-ideas/ArtificialIntelligence_p014/artificial-intelligence/alpha-beta-connect4?ytid=DV5d31z1xTI&ytsrc=description Minimax with Tic-Tac-Toe video:…
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This video explains the fundamentals behind the Minimax algorithm and how it can be utilized in two-player turn-taking games such as Tic-Tac-Toe. Science Buddies also hosts a library of instructions for over 1,500 other hands-on science projects, lesson plans, and fun activities for K-12 parents, students, and teachers! Visit us at https://www.sciencebuddies.org/?ytid=5y2a0Zhgq0U&ytsrc=description to learn more. 0:00 Introduction 0:07 Basics of Tic-Tac-Toe 0:24 Minimax Algorithm 0:58 Key…
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Learn how to make a simple color-change reaction time test with Scratch, the easy-to-use graphical programming language from MIT! Code for the project is available here: https://scratch.mit.edu/projects/965178357/editor/ To use this code in a science project, check out these projects on the Science Buddies…
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Build a simple soil moisture sensor (no programming required) that you can use for a science project! The sensor also works as a water level detector. Complete written instructions, including a parts list, can be found here: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Elec_p066/electricity-electronics/build-an-electronic-soil-moisture-sensor-to-conserve-water?ytid=adxTvOFhtCM&ytsrc=description A kit with all the circuit parts is available from our partner Home Science…
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Simpson's Diversity index is a value that represents the species diversity (a type of biodiversity) in a location, generally with the purpose of comparing it to another location, or to compare the changes in a single location over time. This video outlines how to use Simpson's reciprocal index (one of several variations on the same index). Music sourced from the Youtube Audio Library
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Why do avalanches and landslides roll down the hill? Learn about slippery slopes and the angle of repose in this fun science activity. Find written instructions on our website: https://www.sciencebuddies.org/stem-activities/angle-of-repose?ytid=AGZxMfAWGiE&ytsrc=description Science Buddies also hosts a library of instructions for over 1,000 other hands-on science projects, lesson plans, and fun activities for K-12 parents, students, and teachers! Visit us at…
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Make your own craters using "meteorites" and some kitchen ingredients in this fun STEM activity. For an added bonus, use your smartphone to film the impact in slow motion! Find written instructions here: https://www.sciencebuddies.org/stem-activities/creating-craters?ytid=KuA_tjYqODc&ytsrc=description Science Buddies also hosts a library of instructions for over 1,000 other hands-on science projects, lesson plans, and fun activities for K-12 parents, students, and teachers! Visit us at…
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Solar design engineer Stefania C. highlights the importance of renewable energy in today's world, and takes us through the phases of designing an aesthetically pleasing solar-powered system. Explore more career videos at http://connectedstudios.org/life_videos Subscribe to our channel on Facebook or Twitter! facebook.com/connectedstudios twitter.com/ce_studios
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Free science fair projects.