Launched in 1977, NASA’s epic Voyager mission revolutionized our understanding of Jupiter, Saturn, Uranus, Neptune and their spectacular moons and rings. In 2012, Voyager 1 pierced the bubble of our solar system and ushered humanity into the interstellar age. Voyager 2 is expected to join it in interstellar space within the next few years. Both Voyager 1 and Voyager 2 continue to function, and send daily updates back to Earth from almost 13 billion miles and almost 11 billion miles away, respectively. THE FARTHEST features more than 20 original and current Voyager team members, providing never-before-seen insights into one of the greatest feats of exploration our species has ever undertaken. Explore Videos and Interactives
Did you know the same battery we use today was invented in 1887? With only minor upgrade, the ‘dry cell’ battery was a scientific victory because they were liquid free and could be used in portable devices. But how do batteries work? Learn More
Every year, the world uses 35 billion barrels of oil. This massive scale of fossil fuel dependence pollutes the earth, and it won’t last forever. On the other hand, we have abundant sun, water and wind, which are all renewable energy sources. So why don’t we exchange our fossil fuel dependence for an existence based only on renewables? View Full Lesson
High school science teacher Tyler DeWitt was ecstatic about his new lesson plan on bacteria (how cool!) — and devastated when his students hated it. The problem was the textbook: it was impossible to understand. He delivers a rousing call for science teachers to ditch the jargon and extreme precision, and instead make science sing through stories and demonstrations. Learn More
ESRI’s new global ecosystems explorer, with maps, quizzes, and data to examine each biome Learn More
Science in the Classroom (SitC) is a collection of freely available annotated research papers from that aim to help educators, and high school students understand the research contained in scientific primary literature by using annotations and providing accompanying teaching materials. Annotations include vocabulary, methods, descriptions of prior research, and explanations of major conclusions. Each paper has an educator’s guide outlining connections to science competencies within STEM learning frameworks and standards. Educator guides also provide suggested activities, discussion questions, and resources for further exploration of the subject.
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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