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RESOURCE	GRADE LEVEL	MEDIA TYPE
Organic Farming: Conserving Topsoil Against the backdrop of the devastating 1930's Dust Bowl, this video segment adapted from Interactive NOVA profiles an organic farmer and the techniques he uses to conserve topsoil. Accessibility features: Caption	3-12	Video
The Origin of the Elements This video segment adapted from NOVA explains the origin of the elements and how scientists use unique element profiles to identify supernova types. Accessibility features: Caption	6-12	Video
The Origin of the Moon This video segment adapted from NOVA follows the Apollo 15 astronauts as they collect samples of ancient rock from the Moon's crust, whose discovery helps lead to a radical new theory about the Moon's origin. Accessibility features: Caption	6-12	Video
Overstepping Mother Earth's Boundaries Have we overstepped Mother Earth's boundaries? What are the consequences? In this video segment adapted from Haskell Indian Nations University, hear a Native perspective on our relationship with the natural environment. Accessibility features: Caption	3-12	Video
Ozone Hole This video segment adapted from NASA's Goddard Space Flight Center gives a detailed explanation of the catalytic chemical process that has led to the creation of the ozone hole. Accessibility features: Caption	6-12	Video
Pacific Islands Benefit from Climate Change Adaptations Discover how island communities in Papua New Guinea are adapting to climate change, in these three videos from The Nature Conservancy. Accessibility features: Caption	6-12	Video
Penguin Response to Climate Change Find out how climate change is affecting Antarctic Adélie penguins and their ecosystem in this video segment adapted from Lloyd Fales and Sweetspot Pictures, Inc. Accessibility features: Caption	6-12	Video
Planet-Hunting Learn about NASA’s Kepler mission and how scientists search for planets orbiting stars outside our solar system in this video segment adapted from NOVA. Accessibility features: Caption	6-12	Video
Planets This video segment from IdahoPTV's D4K reviews the characteristics of the sun and the planets that make up the solar system. Accessibility features: Caption, Transcript	4-6	Video
Plate Tectonics: An Introduction This video segment adapted from Discovering Women uses animations to introduce the theory of plate tectonics and to explain why earthquakes occur and how continents form. Accessibility features: Caption	6-12	Video
Plate Tectonics: Lake Mead, Nevada Using animations to illustrate the theory of plate tectonics, this video segment adapted from Discovering Women takes you to Lake Mead, Nevada, to see visual evidence of how plate movement has been stretching the North American continent. Accessibility features: Caption	6-12	Video
Pollution Along the Rhine River This video segment adapted from Race to Save the Planet discusses the effects of water pollution along the Rhine River and its impact on local wildlife. Accessibility features: Caption	6-12	Video
Possible Ice Volcano on Titan In this video from NASA, learn how features derived from Cassini radar data indicate a possible ice volcano on Saturn's moon Titan. Accessibility features: Caption	6-12	Video
Protesting a Natural Gas Facility Meet a high school student who mobilized her community to stop construction of a liquefied natural gas facility, in this video adapted from Earth Island Institute. Accessibility features: Caption	6-12	Video
Restoring Wetlands in Hawai‘i Learn how Hawai‘i’s wetlands help reduce the effects of climate change, in this video from the Hawai‘i Nature Center. Accessibility features: Caption	6-12	Video
Revealing the Origins of Life Learn how scientists explore the chemistry behind the first life on Earth and discover one way it may have arisen from simple chemicals and natural pathways, in this video segment adapted from NOVA scienceNOW. Accessibility features: Caption	9-12	Video
Rivers This video segment from IdahoPTV's D4K takes you on a trip down Idaho's Snake River near 1000 Springs and Blur Heart Springs while it explains how rivers are formed, their uses, and how they make valleys, canyons and even plains. Accessibility features: Caption, Transcript	4-6	Video
Robo Arm Challenge In this video from Design Squad Nation, kids design and build controllable mechanical arms and use them to lift objects and play games. They also learn how NASA uses robotic arms on many of its missions. Accessibility features: Caption	4-8	Video
Rocks and Minerals This video segment from IdahoPTV's D4K presents the types of rocks, how they are formed, what they are made of and how they are classified. Accessibility features: Caption, Transcript	4-6	Video
The Role of Ocean Currents in Climate This video produced by ThinkTV describes the overall functions of ocean surface currents, their movement across the planet, and their relationship to climate. Accessibility features: Caption	6-12	Video
Salmon Move into Deeper Waters For generations, Native Americans have depended on their observations of nature for their survival. In this video segment adapted from Northwest Indian College, an Elder recalls how fishermen suspected the water was warming after observing salmon retreating to deeper waters. Accessibility features: Caption	6-12	Video
Samoa Under Threat In this video segment adapted from Bullfrog Films, a local climatologist talks about the Pacific island of Samoa, which is under threat from an increasing number of intense storms possibly related to global warming. Accessibility features: Caption	6-12	Video
Sandeep Yayathi: Robotics Engineer In this video from Design Squad Nation, NASA robotics engineer Sandeep Yayathi explains how he designs and builds humanoid robots that can work alongside astronauts. Accessibility features: Caption	4-8	Video
Sandy and Climate Change This video excerpt from NOVA: “Inside the Megastorm” explores how global climate may have influenced Hurricane Sandy. Accessibility features: Caption	6-12	Video
Satellites Orbiting Earth This animation adapted from NASA shows the orbital paths of spacecraft in NASA's Earth Observing Fleet that are a source of wide-scale, primary research about Earth. Accessibility features: Caption	3-12	Video
Saturn’s Stunning Double Show This video from NASA looks at the northern and southern aurorae of Saturn and explains how they are produced. Accessibility features: Caption	9-12	Video
The Seasons Are Moving In this video segment adapted from the College of Menominee Nation, tribal members share examples of how seasons are changing, and how these changes are affecting local plants. Accessibility features: Caption	6-12	Video
Secrets in the Salt This video segment adapted from NOVA scienceNOW describes a team of scientists searching for evidence of ancient life within a salt deposit that formed 250 million years ago. Accessibility features: Caption	6-12	Video
Sense of Smell Leads Salmon Home This video segment adapted from Northwest Indian College reveals how Native American life and knowledge is connected to natural cycles. Accessibility features: Caption	6-12	Video
Sharing Water Between Dams In this video segment from PEEP and the Big Wide World, children figure out how to control the flow of water so it supplies two dams. Accessibility features: Caption	K-2	Video
Shipwrecks Reveal Ocean Currents In this video segment adapted from NOVA, a detailed map showing the trajectories of abandoned ships from the late 1800's is used to reveal the routes of surface currents in the Atlantic Ocean. Animations illustrate the role played by ocean currents in the colonization of North America. Accessibility features: Caption	6-12	Video
Snapshot of U.S. Energy Use This video segment adapted from NOVA/FRONTLINE looks at American energy consumption and the resulting production of greenhouse gases. Accessibility features: Audio Description, Caption	3-12	Video
Soaring Over Mars Tour three Martian landscapes and find out how erosion and water affected the surface of Mars, in this video adapted from NASA. Accessibility features: Caption	6-12	Video
Soft Landing Challenge In this video from Design Squad Nation, kids model NASA’s airbag landing system. They design and build protective covers made of balloons to protect an egg dropped from a height of three feet. Accessibility features: Caption	4-8	Video
Soil Microbes and Global Warming In this video adapted from KUAC-TV and the Geophysical Institute at the University of Alaska, Fairbanks, discover how warmer winters in Alaska may cause soil microbes to release more carbon dioxide into the atmosphere, contributing to global warming. Accessibility features: Caption	6-12	Video
Solar Eclipses What is a solar eclipse and why are they only visible in some parts of the world? In this video segment adapted from NASA, astronomer Susan Stolovy uses animations to provide an answer to these questions. Accessibility features: Caption	3-8	Video
Solar House In this What's Up in the Environment? video segment, an electrical engineer in Virginia and his 13-year-old son explain how they produce electricity in their home. Accessibility features: Caption, Transcript	5-9	Video
Solar Magnetism This video segment adapted from NOVA describes how the Sun's magnetism can have an effect here on Earth, from dramatic auroras to a mini-Ice Age in the 1600s. Accessibility features: Caption	6-12	Video
Solar Paint Your Roof In this video segment adapted from NOVA, see how nanotechnology might be used to create a new, cheaper way to produce solar electricity for the home. Accessibility features: Caption	6-12	Video
Solar Panels for Your Home In this video segment adapted from NOVA, take a look inside a solar panel to see how it works, and hear firsthand about the benefits from homeowners who are using this technology. Accessibility features: Caption	6-12	Video
Solar Power This video segment from Vegas PBS shows the largest solar power system to date in the U.S. and explains how solar power can serve the needs of large-scale facilities and benefit the environment. Accessibility features: Caption	3-12	Video
The Solar System's Boundaries Discover what happens at the outer edges of our solar system, where the solar wind interacts with interstellar space, in this video adapted from NASA. Accessibility features: Caption	9-12	Video
Solar System Dynamics: Orbits and Kepler's Laws In this video from NASA, learn about Kepler's laws of planetary motion, and explore how human understanding of planetary orbits has changed throughout history. Accessibility features: Caption	9-12	Video
Solar Wind's Effect on Earth This video segment adapted from NASA describes solar storms and their effects on Earth. Animations of coronal mass ejections and solar cycles help explain what we know, and what we can predict, about solar activity. Accessibility features: Caption	3-12	Video
Space Careers This video segment from IdahoPTV's D4K details some of the requirements needed to have different space careers. Accessibility features: Caption, Transcript	4-6	Video
Space Rock Census Learn about the ongoing tally of space rocks and comets amassed by NASA’s Wide-field Infrared Survey Explorer (WISE), including groupings of asteroids gravitationally anchored to Jupiter, in this video from NASA Jet Propulsion Laboratory. Accessibility features: Caption	9-12	Video
Steve MacLean: Conservationist In this video profile produced for Teachers' Domain, meet conservationist Steve MacLean, an Iñupiaq from Barrow, Alaska, who works to preserve the health of the Bering Sea ecosystem. Accessibility features: Caption	3-12	Video
Storms on Jupiter View images and animation of storms on Jupiter and find out what scientists learned from them in this video adapted from NASA. Accessibility features: Caption	6-12	Video
A Strange New Planet This video segment adapted from NOVA features the first planet to be discovered outside our solar system. Its surprisingly large size and short orbit sent scientists back to their data and led them to discover similar planets. Accessibility features: Caption	6-12	Video
Students Measure Changes in Lake Ice and Snow In this video adapted from KUAC-TV and the Geophysical Institute at the University of Alaska, Fairbanks, students provide field measurements that researchers need in order to understand how lakes in Alaska are changing as a result of climate change. Accessibility features: Caption	6-12	Video