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Fourth Grade Videos (1,220 results)

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June 19 2016 the high temperature in Gilbert AZ was 118 deg F. The surface temperature of this manhole cover was the same as the asphalt.
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To see more great projects you can do with Google's Science Journal, visit Science Buddies at https://www.sciencebuddies.org/science-journal-app?ytid=Sfu1UUmF2jA&ytsrc=description
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You can do the experiments in this video, plus dozens of others, using a cell phone and a free sensor app. For step-by-step instructions see: https://www.sciencebuddies.org/science-journal-app?ytid=4i6GSUWjnIU&ytsrc=description Note: Google's Science Journal app has been discontinued, but all of these projects have been reconfigured on the Science Buddies website to use other sensor apps.
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There are load of terms to know about DNA, and in this video we explain all the main ones - genes, alleles, homozygous and heterozygous, dominant and recessive, genotype and phenotype. Along the way we'll see how genes and inheritance really works!
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How does gear ratio affect the speed of a model car? How can you find the best gear ratio? You should take this into account when building your own solar-powered car for a competition like the Junior Solar Sprint. See the Science Buddies website for an NGSS-aligned classroom lesson plan: https://www.sciencebuddies.org/teacher-resources/lesson-plans/solar-powered-cars-junior-solar-sprints?ytid=-frF3sPyKMI&ytsrc=description and instructions for an individual student science project:…
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In this Biotechnology Project Idea, the Science Buddies Summer Science Fellows demonstrate how to construct your own gel electrophoresis chamber, the technology behind DNA analysis, and use it to compare molecules in different colors of food coloring dye. You can see the full science experimental procedure for this science fair project idea—and do it yourself!—in 'Forensic Science: Building Your Own Tool for Identifying DNA' project idea at Science Buddies:…
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The Personal Genome Project, spearheaded by George Church, the Director of Harvard's Center for Computational Genetics, aims to recruit 100,000 people to offer up their DNA and personal life histories, all in an effort to further knowledge of human genetics and why we get—or don't get—diseases. Don't miss the new episode of NOVA scienceNOW, airing Wednesday, July 2 at 9pm on PBS. Watch past episodes of the program, try out interactives, and more on our Web site:…
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This career video provides day in the life information about the following jobs and occupations. JOB TITLE: Geographic Information Systems Technologists and Technicians OCCUPATION DESCRIPTION: Assist scientists or related professionals in building, maintaining, modifying, or using geographic information systems (GIS) databases. May also perform some custom application development or provide user support. RELATED JOB TITLES: Geographic Information System Analyst (GIS Analyst), Geographic…
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How easy or difficult is it to build a gingerbread house? It depends on what you want your house to look like. In this video, we will show you how to turn gingerbread house building into a fun STEM activity. You can even add a competitive angle to this challenge by assigning points for different design features and costs for building materials. Can you or your students figure out the best design, geometry, and materials for your gingerbread house to score the most points? Written instructions…
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Ivy Stormcatcher, a teen Internet video star contacts the #GlobalProblemSolvers after a hurricane hits the Gulf Coast of the United States and leaves local schools without power or Internet. Until students are able to return to school, the community cannot begin to return to normal. Follow along as the GPS team comes up with the idea of a "First Aid Kit" that schools can use to create popup classrooms anywhere. Teaching Companion Worksheet: http://cs.co/9006GHT54 Bring GPS into Your…
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Free science fair projects.