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…
This video explains the fundamentals behind the K-Means Unsupervised Learning Algorithm and how it can be a valuable tool in analyzing and clustering large datasets to unveil patterns and insights.
Machine learning science projects: https://youtube.com/playlist?list=PLlBVuTSjOrcmaQbOVLYR9b5ONqAiZ3LQa&si=pjsYBWYt4_7TRTnx
Check out our explanation of the K-Nearest Neighbors (KNN) algorithm here: https://youtu.be/zeFt_JCA3b4
Science Buddies also hosts a library of instructions for over 1,500…
Este divertido video muestra cómo hacer un paracaídas para tu cohete de botella PET. Para obtener instrucciones detalladas y conocer la ciencia detrás de esta actividad, haz clic en https://www.sciencebuddies.org/stem-activities/bottle-rocket-design?ytid=_pXw-poZd7M&ytsrc=description
Para aprender a hacer y disparar cohetes de botella PET, mira el video
https://youtu.be/c4Iu_-jqegw
o da click en …
¡Haz y lanza cohetes de papel con esta actividad STEM muy divertida! Las clases planeadas de “NGSS-aligned” están disponibles en la página web de “Science Buddies”:
Desde 3ro a 5to grado:
https://www.sciencebuddies.org/teacher-resources/lesson-plans/teach-scientific-method?ytid=k90Fj9vzePU&ytsrc=description
Desde 6to a 8vo grado:
https://www.sciencebuddies.org/teacher-resources/lesson-plans/scientific-method-rockets?ytid=k90Fj9vzePU&ytsrc=description
¡Science Buddies también tiene una…
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