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RESOURCE	GRADE LEVEL	MEDIA TYPE
Acid Mine Drainage and Precipitates In this video, environmental scientists measure the pH of water to detect acid mine drainage from an abandoned coal mine and then demonstrate how metals present in acid drainage fall out of solution as precipitates when a basic substance is added to the water. Accessibility features: Caption	6-12	Video
Controlling Water Run-off This video shows how the environmentally friendly design of the Visitor Center at Bernheim Arboretum and Research Forest near Louisville slows down water run-off and helps to control non-point-source water pollution, conserve water, and prevent soil erosion Accessibility features: Caption	4-12	Video
Environmental Impact of Acid Mine Drainage This video shows how acid mine drainage from an abandoned coal mine has affected Wildcat Branch in Kentucky's Daniel Boone National Forest. Because the creek has a very acidic pH of 2.9, most organisms cannot survive there, and Wildcat Branch is essentially dead. Accessibility features: Caption	6-12	Video
Reusing Wastewater This video demonstrates how peat filtration beds at Bernheim Arboretum and Research Forest near Louisville, Kentucky purify and conserve wastewater and eliminate one cause of non-point-source water pollution. Accessibility features: Caption	4-12	Video
The Geology of Coal In this video, a geologist describes how coal, a sedimentary rock, was formed when organic materials piled up in swamps millions of years ago. Over time, heat and pressure transformed the buried materials into forms of coal that cause acid mine drainage when exposed to oxygen. Accessibility features: Caption	6-12	Video
High-Sulfur Coal and Acidic Water In this video, a geologist measures the pH of water after high-sulfur coal from a Kentucky coal mine has been added to it. This test demonstrates that the sulfate salts found on the coal’s surface cause the water to become much more acidic. Accessibility features: Caption	6-12	Video
Rain Gardens This video shows how a rain garden at Bernheim Arboretum and Research Forest near Louisville, Kentucky slows down the flow of water from the forest’s parking lot and helps prevent soil erosion. Accessibility features: Caption	4-12	Video
Mycoremediation This video explores the process of mycoremediation: planting fungi such as oyster mushrooms to mitigate non-point-source water pollution caused by oil, gasoline, and other toxic substances. Accessibility features: Caption	4-12	Video
Restoring Lower Rock Creek This brief video describes how Lower Rock Creek’s location between two National Wild and Scenic Rivers caused Kentucky environmentalists to choose the creek as a target for acid mine drainage remediation. Accessibility features: Caption	6-12	Video
Acid Mine Drainage Remediation In this video, an environmental technologist visits an abandoned coal mine in Kentucky to talk about how a remediation system (a series of settling ponds and treatment cells) is neutralizing the acid drainage flowing from the mine and keeping it from damaging a creek downstream. Accessibility features: Caption	6-12	Video
Applying the Scientific Method This video provides a real-life example of the scientific method: testing hypotheses about which plants will grow most successfully on a green roof in Kentucky. Accessibility features: Caption	4-12	Video
Results of Acid Mine Drainage Remediation In this video, a biologist visits Rock Creek in Pulaski County, Kentucky to show how acid mine drainage remediation has increased the stream’s pH from acidic levels to almost neutral. Although the ecosystem has not been completely restored, many species have returned to Rock Creek. Accessibility features: Caption	6-12	Video
Stream Restoration This video explores how Bernheim Arboretum and Research Forest near Louisville, Kentucky has restored a channelized or straightened stream to its original meandering path, thereby improving the stream’s water quality and creating a better habitat for wildlife. Accessibility features: Caption	4-12	Video
Aquatic Insects In this brief video, a biologist talks about the macroinvertebrates (typically aquatic insects) that form the basis of food webs in healthy Kentucky streams. Accessibility features: Caption	6-12	Video
Detached Wetlands This video depicts a detached wetland, a small pool that forms beside a shallow meandering stream when it overflows its banks. These wetlands are important breeding grounds for the invertebrates that live in and beside streams Accessibility features: Caption	4-12	Video
100's Day What does 100 look like? Sound like? Feel like? In this video from Curious George, explore the many ways to measure 100 things. Accessibility features: Caption	K-2	Video
1964 Alaska Earthquake This video adapted from the Valdez Museum & Historical Archive, explores what happened during the Great Alaska Earthquake of 1964 through original footage, first-person accounts, and animations illustrating plate tectonics. Accessibility features: Caption	6-12	Video
3D Space: Illusion or Reality? This video excerpt from NOVA’s "The Fabric of the Cosmos: What Is Space?" reveals new data about black holes that has led to a new idea about the universe: Instead of everything being a three-dimensional object, it’s possible that everything is actually just a hologram. Accessibility features: Caption, Transcript	9-12	Video
Above the Clouds: Telescopes on Mauna Kea This video segment adapted from First Light explains why the highest peak in the Pacific, Mauna Kea, is an ideal site for astronomical observations. Featured are new telescope technologies that allow astronomers to explore the universe in more depth. Accessibility features: Caption	6-12	Video
Accidental Discoveries This segment from Swift: Eyes through Time traces the history military officers and engineers discovering a strange phenomenon in the sky that astronomers now know are gamma-ray bursts. Accessibility features: Caption	5-8	Video
Acids and Bases: Cabbage Juice Indicator In this video segment, the ZOOM cast demonstrates how to use cabbage juice to find out if a solution is an acid or a base. Accessibility features: Caption	3-8	Video
Acids and Bases: Making a Film Canister Rocket In this video segment, ZOOM cast members mix different amounts of baking soda and vinegar to see which combination produces the most carbon dioxide for launching a film-canister rocket. Accessibility features: Caption	K-5	Video
Acids and Bases: Testing Rocket Cars In this ZOOM video segment, cast members make bottle rocket cars using lemon juice and baking soda, and experiment with different ways of launching the cars. Accessibility features: Caption	3-8	Video
Acids and Bases: Testing Rockets What happens when you mix baking soda and lemon juice? Watch the ZOOM cast launch a rocket using kitchen chemistry. Accessibility features: Caption	3-8	Video
Adopting Sustainable Food Practices Hear about how respect for Earth can help us attain a more sustainable lifestyle in the face of climate change in this video segment adapted from United Tribes Technical College. Accessibility features: Caption	6-12	Video
Advances in Neurotechnology In this video segment from Greater Boston, learn how a man with severe motor disabilities can operate a computer and move a prosthetic hand by simply thinking the commands, thanks to the combined efforts of bioengineers and neuroscientists. Accessibility features: Caption	6-12	Video
Agricultural Runoff and the Gulf of Mexico Dead Zone This video segment adapted from Big River: A King Corn Companion shows how agricultural chemicals from the Midwest that travel downstream in water runoff create a vast marine "dead zone" in the Gulf of Mexico. Accessibility features: Caption	6-12	Video
Agricultural Technology Student: Farming & GPS/GIS Learn how agricultural technology is changing farming, and one student's life, in this video adapted from Pathways to Technology. Accessibility features: Caption	9-12	Video
Agricultural Technology Student: Water Management & GPS/GIS See one adult student's experience attending community college, studying agricultural technology, and discovering career opportunities, in this video adapted from Pathways to Technology. Accessibility features: Caption	9-12	Video
Air Bag Design Using automobile crash test footage, this video segment adapted from NOVA shows some of the challenges in designing the air bag. Accessibility features: Caption	3-12	Video
Air Power: Experimenting with Balloons In this video segment adapted from ZOOM, cast members experiment with the amount of air expelled first from a balloon, then through a straw attached to it, and see how both affect a balloon's behavior. Accessibility features: Caption	3-8	Video
Air Power: Making a Hovercraft In this video segment adapted from ZOOM, cast members make their own hovercraft and demonstrate how the air leaking out of a balloon can make a plastic plate hover above a table. Accessibility features: Caption, Transcript	K-8	Video
Alaska Native Pilots In this video adapted from Storyknife Productions, Alaska Native pilots share how they use traditional knowledge to read the landscape and predict the weather. Accessibility features: Caption	3-12	Video
Alaska Native Teens Help Researchers In this video adapted from KUAC-TV and the Geophysical Institute at the University of Alaska, Fairbanks, Alaska Native students contribute to research on how their environment is changing as a result of global warming. Accessibility features: Caption	6-12	Video
Allison Bolinger: Spacewalk Flight Controller and Trainer In this video from Design Squad Nation, NASA spacewalk flight controller and trainer Allison Bolinger teaches astronauts how to work outside their spacecraft. Accessibility features: Caption	4-8	Video
Alzheimer's Disease This video segment from the Secret of Life School Video: "Genetic Medicine: Tinkering with Our Genes" explores the potential for gene therapy to cure diseases like Alzheimer's. Accessibility features: Caption	9-12	Video
Amazon Rainforest This video segment from the Race to Save the Planet teaching module "Saving the Diversity of Life" describes the ecological value of tropical rainforests and explores some of the causes of their destruction. Accessibility features: Caption, Transcript	K-5	Video
Amphibian Research This short video segment from IdahoPTV's D4K explains how frogs help biologists study problems in the environment. Accessibility features: Caption, Transcript	4-6	Video
Amphibians This video segment from IdahoPTV's D4K points out what it means to be cold-blooded. A frog's life cycle is revealed as well as why it croaks, why it hibernates, and how it catches its prey. Accessibility features: Caption, Transcript	4-6	Video
An Alaska Native Community Helps Seals This video from First Alaskans Institute spotlights the Alaska Native community of St. Paul and its hands-on commitment to care for the land and animals on which it depends. Accessibility features: Caption	3-12	Video
An Ancient Legend Teaches Climate Change Adaptation Today’s unsustainable use of natural resources is compared to the legend of the giant Uab, in this video adapted from the Secretariat of the Pacific Community. Accessibility features: Caption	3-8	Video
Ancient Farmers of the Amazon This video segment from Evolution: "Evolutionary Arms Race" tells the story of the leafcutter ant and the fungus it farms -- an example of mutually beneficial symbiosis. Accessibility features: Caption	6-12	Video
Anglerfish This video segment from NOVA: "Animal Imposters" shows the lightning-fast strike of the anglerfish. Accessibility features: Audio Description, Caption	6-8	Video
Animal Defenses In nature, survival is the name of the game. This video segment explores the world of animal defense and shows that predators don't always have the upper hand. Accessibility features: Audio Description, Caption	K-8	Video
Animal Hearing This video segment discusses the physical adaptations that give several nocturnal animals a heightened sense of hearing. Footage from NOVA: "Mystery of the Senses: Hearing." Accessibility features: Audio Description, Caption	3-8	Video
Animals Making a Living For most animals, finding food is a full-time job. This video segment explores the food-finding strategies of a variety of creatures, illustrating the idea that different animals have very different ways of getting enough to eat. Accessibility features: Caption, Transcript	K-5	Video
Animals on the Go This video segment shows a wide variety of creatures in their respective habitats, with a focus on how the animals move. Accessibility features: Caption	K-5	Video
Antarctica's Dry Valleys In this video segment produced by ThinkTV with the Byrd Polar Research Center, a young scientist describes her journey to the remote Dry Valleys of Antarctica and her search for life under some of the most extreme conditions on Earth. Accessibility features: Caption	6-12	Video
Antarctica: A Challenging Work Day What happens when the ground under your feet is ice and it's moving? This video segment adapted from NOVA features some of the dangers faced by scientists conducting research in Antarctica. Accessibility features: Caption	3-12	Video
Antarctica: Sea Ice This video segment adapted from NOVA uses microwave images to reveal how sea ice doubles the size of Antarctica each winter. Rare footage shows how sea ice crushed the famous ship Endurance in 1914. Accessibility features: Caption	K-12	Video