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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
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
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: 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
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
Are Computers Intelligent? This video excerpt from NOVA: “Smartest Machine on Earth” explains why computers can be so good at chess. Accessibility features: Caption, Transcript	6-12	Video
Ask an Engineer Explore some of the wonders of modern engineering in this video from the Sciencenter in Ithaca, New York. Hear a diverse selection of engineers explain how things work. Accessibility features: Caption	3-12	Video
Automatic Door Opener In this video segment adapted from ZOOM, watch the design process in action as cast members create automatic door openers to open their bedroom doors while still lying down. Accessibility features: Caption	3-8	Video
Balloon Brain: Designing a Helmet In this video segment adapted from ZOOM, cast members are challenged to design protective headgear for a water balloon using what they know about the properties of the materials available. Accessibility features: Caption, Transcript	K-8	Video
Bioengineering Body Parts In this video segment adapted from NOVA scienceNOW, scientists discuss their attempts to grow human body parts in a jar. Accessibility features: Caption	9-12	Video
Brain Trauma Find out how serious head concussions can be in this video segment adapted from NOVA scienceNOW. Accessibility features: Caption	6-12	Video
Breaking Point: Testing Tensile Strength This video excerpt from NOVA’s "Making Stuff: Stronger" and accompanying demonstration illustrate the toughness and tensile strength of Kevlar® and other everyday materials. Accessibility features: Caption, Transcript	6-12	Video
Building a Cleaner Battery This video excerpt from NOVA’s "Making Stuff: Cleaner" and accompanying activity guide for grades K–8 introduce students to the design and use of batteries and the rapidly developing science of clean energy and clean materials. Accessibility features: Caption, Transcript	6-12	Video
Building a Dam Like a Beaver In this video segment from PEEP and the Big Wide World, children make a dam with dirt, sticks, and stones to try to stop the flow of water. Accessibility features: Caption	K-2	Video
Building Simple Machines: A Glass of Milk, Please In this video segment adapted from ZOOM, the cast shows how the 34 steps in their Rube Goldberg invention use everything from gravity to carbon dioxide gas in order to accomplish one simple task: pouring a glass of milk. Accessibility features: Caption	3-8	Video
Building Simple Machines: Plant Quencher In this video segment from ZOOM, Jillian explains how her simple machine uses marbles, levers, flowing sand, and a spinning wheel to water a plant. Accessibility features: Caption	3-8	Video
Building the Alaska Oil Pipeline This video segment adapted from AMERICAN EXPERIENCE tells the story of how environmentalists, Alaska Native peoples, and engineers concerned about the effects of permafrost challenged plans for the Alaska oil pipeline. Accessibility features: Caption	6-12	Video
The Business of Bioplastics This video excerpt from NOVA’s "Making Stuff: Cleaner" and accompanying demonstration introduce students to the production and importance of bioplastics, or plastics made from plant or animal products. Accessibility features: Caption, Transcript	6-12	Video
Can a Computer Fly an Airplane? This video excerpt from NOVA shows how the computer system on the A330 airplane can fly the plane safely without a human pilot. Accessibility features: Caption, Transcript	6-12	Video
Capturing Carbon In this video segment adapted from NOVA scienceNOW, a scientist, inspired by his daughter's science fair project, develops a synthetic "tree" to remove excess carbon dioxide from the air. Accessibility features: Caption	6-12	Video
Carbon-Fiber Car of the Future In this video segment adapted from NOVA, find out how cars made of a material stronger than steel and half the weight can help combat climate change. Accessibility features: Caption	6-12	Video
China’s Innovative Past This audio segment from PRI's The World Science Podcast explores the roots of China's creative past and examines why China, a country that over 1500 years came up with some of the most important inventions the world had ever seen, might have lost its innovative edge to the West. Accessibility features: Caption	9-12	Audio
Citigroup Skyscraper Design Problem This video segment adapted from Building Big looks at the challenges faced by structural engineer William LeMessurier in designing a new skyscraper and how he very closely averted disaster. Accessibility features: Caption	6-12	Video
Clifton Suspension Bridge This video segment from Building Big illustrates the basic design principles of the Clifton Suspension Bridge in Bristol, England. Accessibility features: Caption	3-12	Video
Columns: Experimenting with Paper Cups In this video segment from ZOOM, the cast experiments to see if a bunch of paper cups covered by a piece of cardboard can support the weight of a cast member. Accessibility features: Caption, Transcript	3-8	Video
Columns: Finding the Strongest Shape In this video segment, members of the ZOOM cast experiment by bending and folding sheets of paper into various shapes to see which shape will support the weight of a heavy book. Accessibility features: Caption, Transcript	K-8	Video
Composite Materials for Space Discover why engineers use composite materials to build spacecraft prototypes in this video segment adapted from NASA 360. Accessibility features: Caption	9-12	Video
Converting to Biodiesel Meet a college student whose class project to turn cooking grease into diesel fuel resulted in converting bus fleets to biodiesel, in this video from Earth Island Institute's New Leaders Initiative. Accessibility features: Caption	5-12	Video
The Deployable Energy Absorber Watch how engineers stage a crash to test a new helicopter safety design technology in this video from NASA. Accessibility features: Caption	9-12	Video
Design for Function In this video segment from Cyberchase, the CyberSquad designs an invention that will help them cross a swamp and also reach the top of a tall cliff. Accessibility features: Caption, Transcript	3-5	Video
Designing a Paper Bridge In this video segment adapted from ZOOM, cast members make a bridge from a single piece of paper. Will it be strong enough to hold a hundred pennies? Accessibility features: Caption	3-8	Video
Designing a Puff Mobile The air you exhale can power a puff mobile. Watch as the ZOOM cast races their air-powered designs to see which design features are the most successful. Accessibility features: Caption, Transcript	K-5	Video
Designing a Roller Coaster In this video segment adapted from ZOOM, the cast is challenged to design and test a roller coaster with loops, hills, and U-turns. Accessibility features: Caption	3-5	Video
Designing Balloon Cars Can the air in a balloon power a car? Watch students from Weston, Massachusetts, demonstrate their balloon car designs in this video adapted from ZOOM. Accessibility features: Caption, Transcript	3-8	Video
Designing Electric Circuits: Door Alarm In this video segment adapted from ZOOM, cast members design and build door alarms using a variety of materials, including aluminum foil, batteries, and buzzers. Accessibility features: Caption	3-8	Video
Designing Future Cities: Alternative Energy In this video segment adapted from ZOOM, visit a class as they design a city of the future that will use solar, wind, and water power to fuel its economy. Accessibility features: Caption, Transcript	3-8	Video