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Fourth Grade Videos (1,202 results)

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Do you know about your microbiome? This army of microbes fights for you, and sometimes when things get out of whack, it can fight against you. Learn all about your microbiome and what it can do for you in this fascinating new episode of SciShow, hosted by Hank Green! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supportersβ€”we couldn't make SciShow without them! Shout out to Kevin Bealer, Mark…
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When should you use the Scientific Method? Would the Engineering Design Process be a better choice? If you aren’t sure then this video can help! We compare both methods step-by-step using a real-world example. You can find more information about the Engineering Design Process and the Scientific Method at https://www.sciencebuddies.org/science-fair-projects/engineering-design-process/engineering-design-process-steps?ytid=uIV031bnmFA&ytsrc=description and…
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Learn the difference between USB A, B, and C ports and which type of cable or adapter you need to connect your computer to an Arduino Uno R3 or R4. See our complete playlist of Arduino tutorials here: https://youtube.com/playlist?list=PLlBVuTSjOrclb0iCMSRpS_H1lSrlSVeEm Visit the Science Buddies website for cool science projects you can do with an Arduino: https://www.sciencebuddies.org/search?prop=arduino&ytid=SBLFBsbbKa8&ytsrc=description Science Buddies also hosts a library of instructions…
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Understand the forces of lift and drag (also called air resistance) and which way they point on different objects as they move through the air. Check out Science Buddies for aerodynamics science projects you can do with paper airplanes, parachutes, and model rockets: https://www.sciencebuddies.org/science-fair-projects/science-projects/aerodynamics-hydrodynamics?ytid=k_1-fmQCjWo&ytsrc=description Science Buddies also hosts a library of instructions for over 1,500 other hands-on science…
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Discover enzymes at work and find out how they turn some fruits brown in this fun science activity! Find written instructions on our site: https://www.sciencebuddies.org/stem-activities/enzymatic-browning?ytid=_Ofev8WsEkM&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 https://www.sciencebuddies.org/?ytid=_Ofev8WsEkM&ytsrc=description to…
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To train machine learning models we need to provide the model with a training and testing set. And sometimes even a validation set. These terms tend to be used interchangeably causing confusion. So once and for all, let's learn what each of these data splits do and how they contribute to model development. πŸ‘‹ Keep in touch? ========================== πŸ₯ Twitter - https://twitter.com/misraturp πŸ”— LinkedIn - https://linkedin.com/in/misraturp/ πŸ“Ή YouTube - https://youtube.com/@misraturp 🌎…
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Challenge yourself to mix granular materials such as sprinkles and colored sand in this fun STEM activity. More details can be found in https://www.sciencebuddies.org/stem-activities/Mixing-granular-materials?ytid=5ZjbIC0c7KM&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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Mythbusters showed that you need two tanks to pull apart two phone books - but who has phone books anymore? Or easy access to tanks, for that matter. This video shows a downsized version of the "phone book friction" experiment using two pads of sticky notes. This is our first entry in the @veritasium Science Communication Contest, and it's an abbreviated one-minute version of this longer video: https://youtu.be/joYnxJNL2UA Science Buddies is a nonprofit organization dedicated to bringing the…
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This tutorial describes several different methods for removing the enamel insulation from "magnet wire," which is commonly used to make solenoids and electromagnets. To view written directions for this tutorial, see the "Wire Stripping Tutorial" at Science Buddies: https://www.sciencebuddies.org/science-fair-projects/references/wire-stripping-tutorial?ytid=Pd5Q-XDmvys&ytsrc=description Science Buddies also hosts a library of over 1,100 other free science fair "Project Ideas" for K-12…
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This tutorial describes several different techniques for removing insulation from "hookup wire," the type of wire commonly found in many circuits and electronics projects. To view written directions for this tutorial, see the "Wire Stripping Tutorial" at Science Buddies: https://www.sciencebuddies.org/science-fair-projects/wire_stripping_tutorial.shtml?ytid=yDyjVwuy1Ug&ytsrc=description#usinghookupwire Science Buddies also hosts a library of over 1,200 other free science fair "Project Ideas"…
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Free science fair projects.