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Fourth Grade Videos (1,220 results)

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Have you ever wondered how predators, like wolves, lions, and hawks, are able to find their prey? And what can an animal do to stay off of a hunter's menu? To survive, some animals have developed specific camouflage tactics to fool their predators. One strategy some animals use is to look very similar to other animals that are poisonous or that the predator doesn't like to eat. This camouflage tactic is called mimicry. In this activity, you will find out how effective mimicry is by becoming a…
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You're a predator - click on your M&M "prey" as fast as you can while avoiding the poisonous Skittles! You can do this science project with a computer program or with real candy. Instructions and example code are available on the Science Buddies website: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Zoo_p012/zoology/mms-survival-challenge-camouflage?ytid=BE-b2Tp_B3E&ytsrc=description#procedure Science Buddies also hosts a library of instructions for over 1,500 other…
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Make your own core samples from candy bars in this fun STEM activity! Written instructions are available on the Science Buddies website: https://www.sciencebuddies.org/stem-activities/candy-core-samples?ytid=Kfvt5zs2se8&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=Kfvt5zs2se8&ytsrc=description to…
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With hardshell candies and water, you can create an exciting visual science experiment! For more information about this STEM activity and the science behind it, see this post on the Science Buddies website: https://www.sciencebuddies.org/blog/colorful-candy-science?ytid=T1VhYSLscuI&ytsrc=description
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You don't need a wind tunnel to visualize air flow over your car - you just need some yarn and tape! Learn how to do a science project to improve your car's aerodynamics with our written instructions: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Aero_p062/aerodynamics-hydrodynamics/car-modifications-aerodynamics?ytid=YTnjxnA292E&ytsrc=description 0:00 introduction 0:33 attached and separated flow 1:06 windows up vs windows down 1:20 exterior accessories 1:47 roof…
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This is a bonus project for my ME 380 Fluid Dynamics course at UNLV. I do not own the rights to any of the video clips or music. Cars Featured: Pagani Zonda Volkswagen XL1 Mercedes-Benz SLS AMG Plymouth Superbird Ferrari 458 Italia Ford GT Music: "Basshead" by…
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Do you want to be an emergency room doctor? Find out what it takes in this video.
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We offer two types of daphnia. Daphnia pulex are smaller and are often used in feeding studies. Daphnia magna are larger and are commonly used for heart rate studies. This video will show you how to handle and care for your daphnia cultures prior to use in the classroom. Visit https://www.carolina.com to learn more. Items featured in video: Daphnia Culture Kits: https://www.carolina.com/crustaceans/daphnia-culture-kits/FAM_142304.pr Daphnia magna:…
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This video introduces students to the "Cellular Respiration" lesson plan from Science Buddies. Students will use Google's Science Journal app to monitor chemical reactions over time. To view full directions for this science project, see the lesson plan at Science Buddies. Science Buddies also hosts a library of over 1,100 other free science fair "Project Ideas" for K-12 students, in a wide variety of topic areas from Astronomy to Zoology! Visit us at…
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Free science fair projects.