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:…
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…
How can you change the rate of a chemical reaction? This video shows how you can find out by experimenting with a fun foaming reaction! Can you create a specific amount of foam? Written instructions are available on our website at https://www.sciencebuddies.org/teacher-resources/lesson-plans/catalase-reaction-rate?ytid=QBRy_9f5sps&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…
This career video provides day in the life information about the following jobs and occupations.
JOB TITLE: Chemical Technicians
OCCUPATION DESCRIPTION: Conduct chemical and physical laboratory tests to assist scientists in making qualitative and quantitative analyses of solids, liquids, and gaseous materials for research and development of new products or processes, quality control, maintenance of environmental standards, and other work involving experimental, theoretical, or practical…
Dozens of visitors fell into the water in China's Jiangxi Province after a foot bridge at a scenic spot collapsed on Sunday morning, local authorities said. Surveillance video in the park recorded the chaotic scenes.
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Alishia Ballard graduated in 2015 with a degree in civil engineering from San Diego State University. After graduating, she has been interning with San Francisco Public Works in their structural engineering section. Structural engineering is a subcategory of civil engineering, and it often involves designing, inspecting and analyzing structures like bridges and buildings. Learn more here: http://ww2.kqed.org/quest/2016/01/15/career-spotlight-structural-engineer/
Transcript:
Sometimes with…
See a clear example of Jaccard similarity, also called the Jaccard index, in this tutorial video. I begin by demonstrating a visual example with a grocery shopping trip and sharing the definition of Jaccard similarity. We see the Jaccard similarity formula and use it to compute the Jaccard index between our two sets: the grocery list vs the grocery purchases. Then we explore two other example applications. First, we calculated the Jaccard similarity for two text documents. And we will…
Gavin Schmidt explains why the Earth needs to see a doctor... today.
Gavin Schmidt is a climatologist and climate modeler at the NASA Goddard Institute for Space Studies.
Like Gavin's profile? Visit "The Secret Life of Scientists and Engineers" online and on Facebook.
Web: http://www.pbs.org/wgbh/nova/secretlife/
Facebook: http://www.facebook.com/pages/The-Sec...
"The Secret Life of Scientists and Engineers" is an Emmy-nominated web video series and site from the makers of the acclaimed…
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