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Fourth Grade Videos (1,202 results)

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This tiny robot can jump higher than anything else in the world. This video is sponsored by Brilliant. The first 200 people to sign up via https://brilliant.org/veritasium get 20% off a yearly subscription. Huge thanks to Dr. Elliot Hawkes and the rest of the group - Charles Xiao, Chris Keeley, Dr. Morgan Pope, and Dr. Günter Niemeyer - for having us at UCSB and showing us their high-flying jumper. This work was partially supported by an Early Career Faculty Grant from NASA’s Space Technology…
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Find out how blind people read! In this fun science activity, you will create your own braille writing and try to read the dot patterns with your fingers. https://www.sciencebuddies.org/stem-activities/braille?ytid=IFJGr29oWso&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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Have you ever wanted to send your friend a secret message that no one else can read? Then this activity is perfect for you! It will demonstrate two different ways of making invisible ink – and show you how to reveal it again! Written instructions are available on our website at https://www.sciencebuddies.org/stem-activities/invisible-ink?ytid=AOVD7WgFP2s&ytsrc=description Science Buddies also hosts a library of instructions for over 1,000 other hands-on science projects, lesson plans, and fun…
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Students investigate passive solar building design with a focus solely on heating. They learn how insulation, window placement, thermal mass, surface colors, and site orientation play important roles in passive solar heating. They use this information to design and build their own model houses, and test them for thermal gains and losses during a simulated day and night. Teams compare designs and make suggestions for improvements. View the full activity at TeachEngineering:…
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Random Forests make a simple, yet effective, machine learning method. They are made out of decision trees, but don't have the same problems with accuracy. In this video, I walk you through the steps to build, use and evaluate a random forest. NOTE: Random Forests are made from Decision Trees, so if you don't know about those, here's the Quest: https://youtu.be/_L39rN6gz7Y ALSO NOTE: This StatQuest is based on Leo Breiman's (one of the creators of Random Forests) website:…
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I still can’t believe what happened in this video lol Check out the mind-blowing Galaxy AI on the Samsung Galaxy S24 Ultra. Click this link to see for yourself: https://bit.ly/MrBeast_SamsungGalaxyS24 ad samsungpartner Play the Official Fortnite Creative Map For This Video Here: MrBeast Minigames 🎯 - 9466-1340-3054 https://www.fortnite.com/@mrbeast/9466-1340-3054 fortnitepartner Thanks to Daniel Schiffer for the Feastables ad! Go check him out here @danielschiffer New Merch -…
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In this video, we explain the concept of data augmentation, as it pertains to machine learning and deep learning. We also point to another resource to show how to implement data augmentation on images in code with Keras. 🕒🦎 VIDEO SECTIONS 🦎🕒 00:00 Welcome to DEEPLIZARD - Go to deeplizard.com for learning resources 00:30 Help deeplizard add video timestamps - See example in the description 02:50 Collective Intelligence and the DEEPLIZARD HIVEMIND 💥🦎 DEEPLIZARD COMMUNITY RESOURCES…
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Have you ever wondered if your indoor air quality at home is safe? What about your school or grocery store? Investigate using an air quality monitor, test your indoor vs. outdoor air quality, and see how your daily habits improve or worsen your air quality indoors. Interested in doing this science experiment yourself? Check out our written instructions here:…
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Animation of the 2009 collision between Iridium 33 and Cosmos 2251. The blue represents Iridium 33 and the orange is Cosmos 2251. The lines are their paths, solid dot is the satellite, and arrows are the resulting debris after the collision. For code to simulate your own collisions: https://www.sciencebuddies.org/science-fair-projects/project-ideas/SpaceEx_p057/space-exploration/satellite-collision-tracking#summary Science Buddies also hosts a library of instructions for over 1,500 other…
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I’m so stoked to debut Hack Pack! Teens and adults can now level up their own creative engineering skills and build a desktop turret robot alongside me: https://www.crunchlabs.com/hackpack Hack Pack is a DIY robot subscription box that’s perfect for teens and adults with no coding experience required! Get 1 free box at https://www.crunchlabs.com/hackpack Here is the first video lesson and build video- https://youtu.be/1j1kAuqePJo?si=0-3CfuU0s1IzoKyx Here is the Arduino 101 Crash Course video-…
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Free science fair projects.