TED-Ed How does fracking work?

Deep underground lie stores of once-inaccessible natural gas. There’s a technology, called hydraulic fracturing, or “fracking,” that can extract this natural gas, potentially powering us for decades to come. So how does fracking work and why is it a source of such heated controversy?
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WatchKnowLearn has indexed approximately 50,000 FREE educational videos, placing them into a directory of over 5,000 categories. The videos are available without any registration or fees to teachers in the classroom, as well as parents and students at home 24/7. Users can dive into our innovative directory or search for videos by subject and age level. Video titles, descriptions, age level information, and ratings are all edited for usefulness. Start Exploring Science Videos

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TED-ED Why do animals have such different lifespans?

For the microscopic lab worm, life equates to just a few short weeks on Earth. The bowhead whale, on the other hand, can live over two hundred years. Why are these lifespans so different? And what does it really mean to ‘age’ anyway? Joao Pedro de Magalhaes explains why the pace of aging varies greatly across animals. View full lesson »

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Interactive Energy Scenarios Tool

This interactive tool allows you to create your own global energy scenario within technologically feasible approaches. This is a “waving a magic wand” exercise in that you will be able to alter the present world energy system instantly rather than a realistic projection over time.

In four steps, you’ll 1) get familiar with the current energy system, 2) explore opportunities for efficiency improvements, 3) experiment with greater electrification of the energy system, and 4) choose energy sources and their amount. Start Exploring

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The Science of Garbage

What do your students know about garbage? Standards-based, 5-day lesson plan from the National Science Teachers Association (NSTA). Learn More

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National Center for Case Study Teaching in Science

The mission of the National Center for Case Study Teaching in Science (NCCSTS) is to promote the nationwide application of active learning techniques to the teaching of science, with a particular emphasis on case studies and problem-based learning. Find resources in every subject and at all grade levels. Learn More

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TED – ED – What happens during a heart attack?
Approximately seven million people around the world die from heart attacks every year. And cardiovascular disease, which causes heart attacks and other problems like strokes, is the world’s leading killer. So what causes a heart attack? Krishna Sudhir examines the leading causes and treatments of this deadly disease. View full lesson »

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Trust for Public Land’s ParkScore Index


The Trust for Public Land’s ParkScore® index is the most comprehensive rating system ever developed to measure how well the 100 largest U.S. cities are meeting the need for parks.

Cities can earn a maximum ParkScore of 100. Points are awarded for median park size, parkland as a percentage of the city area, Investment (spending per resident), and average of per-capita provision of four key park amenities (basketball hoops, dog parks, playgrounds, recreation/senior centers), and park access based on the percentage of the population within a ten-minute (half-mile) walk of a park. This map shows the park service area and park need areas for the 100 cities in the 2016 ParkScore index. Zoom in on the map or use the bookmark tool to zoom to your city of interest.

Trust for Public Land’s ParkScore Web Page

ParkScore Users Guide     Interactive GIS Map 

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3M Young Scientist Lab


Discovery Education Young Scientist Lab –  A one stop shop for all things STEM with our new Young Scientist Lab web portal for teachers, students and parents who are seeking a place to explore the world of scientific innovation and opportunity! 3M and Discovery Education developed this interactive portal filled with engaging activities for students in grades K-8 and standards-aligned teaching tools which is all anchored by the award-winning Young Scientist Challenge.

The Young Scientist Lab aims to foster a new generation of scientists who are inspired to improve the world with science.

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Washington Post Interactive – With enough evidence, even skepticism will thaw

As one of Greenland’s largest ice shelves shrinks, a once-doubtful scientist has come around to the role of climate change in melting it. Start Interactive



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