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RESOURCE	GRADE LEVEL	MEDIA TYPE
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
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
Arch Bridge This video segment adapted from Building Big illustrates the strength of the arch in bridge design and construction. Accessibility features: Caption	3-12	Video
Atoms: The Space Between This video segment adapted from A Science Odyssey takes a look at the scale of the atom and the tremendous amount of space between the electrons and the nucleus. If all this empty space exists in matter, how can any substance be solid? Accessibility features: Caption	6-12	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
Booming Sands This video segment, adapted from NOVA scienceNOW, presents basic concepts of physics behind "booming" sand dunes. See how surface tension affects potential and kinetic energy and how it all works together to create sound. Accessibility features: Caption	6-12	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 Channel Tunnel How do you build a tunnel 32 miles long -- under water? This video segment adapted from Building Big, follows the construction of the Channel Tunnel (nicknamed "Chunnel"), the engineering wonder that connects England to France. Accessibility features: Caption	3-12	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
Center of Gravity: Pencil Balance Watch the ZOOM cast learn about center of gravity by trying to balance a pencil on their fingers and noses. Accessibility features: Caption	3-8	Video
Clean Coal? Explore the challenges facing the deployment of clean coal technology in this video segment adapted from FRONTLINE: "Heat." Accessibility features: Caption	6-12	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: Hillary's Neighborhood In this video segment from ZOOM, Hillary, from Randolph, MA, takes us on a tour of the columns in her neighborhood. Accessibility features: Caption, Transcript	K-8	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
Cooking Cookies with Solar Power In this video segment adapted from ZOOM, two solar cookers are tested against a control to see which can cook a "s'more" faster. Accessibility features: Caption	K-8	Video
Counting Neutrons on the Moon Find out how scientists are using a neutron detector onboard a satellite to try to find water on the Moon in this video adapted from NASA. Accessibility features: Caption	9-12	Video
Defy Gravity! Centripetal Force How can you keep a ball from falling out of a jar if the jar is upside down? Watch the ZOOM cast use centripetal force to meet this challenge. Accessibility features: Caption, Transcript	3-8	Video
Defy Gravity! Upside Down Ping Pong Ball In this video segment, the ZOOM cast is challenged to keep a ping pong ball in a funnel while the funnel is held upside down, seemingly defying gravity. Accessibility features: Caption	3-8	Video
Density and Buoyancy: Experimenting with Club Soda In this video segment adapted from ZOOM, the cast discovers that gas-filled bubbles act like life jackets for raisins, making them buoyant. Accessibility features: Caption, Transcript	K-8	Video
Density and Buoyancy: Making Eggs Float Why does an egg float in salt water? Learn about density and buoyancy in this video segment adapted from ZOOM. Accessibility features: Caption	K-8	Video
Density and Buoyancy: Testing Liquids Will a grape float in oil? Will a metal nut sink in corn syrup? Watch as the ZOOM cast tests the buoyancy of a variety of liquids and objects. Accessibility features: Caption, Transcript	K-8	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
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: Steadiness Tester In this video segment adapted from ZOOM, cast members discover that metal is a good conductor of electricity as they play the steadiness tester game. Accessibility features: Caption	3-5	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
Design Squad: Sound In this video segment adapted from Design Squad—a PBS TV series featuring high school contestants tackling engineering challenges—learn about the fundamentals of sound as student teams create percussive and stringed instruments for a local band. Accessibility features: Caption	3-12	Video
Design Squad: Suspension Bridge In this video segment adapted from Design Squad—a PBS TV series featuring high school contestants tackling engineering challenges—students employ the concepts of tension and compression to build a suspension bridge without the aid of power tools. Accessibility features: Caption	5-12	Video
Design Squad: Truss Bridge In this video segment adapted from Design Squad—a PBS TV series featuring high school contestants tackling engineering challenges—students employ the concepts of tension and compression as they build a truss bridge without the aid of power tools. Accessibility features: Caption	5-12	Video
Don't Mess with Mercury Learn about the dangers of mercury in this short video from the U.S. Environmental Protection Agency. Accessibility features: Caption	3-12	Video
Down to the Core Challenge In this video from Design Squad Nation, kids design and build devices that can extract a core sample from a potato “asteroid.” They also learn how samples give NASA scientists insight into solar system objects. Accessibility features: Caption	4-8	Video
Einstein's Thoughts on the Ether Do light waves travel through the ether like waves on a lake travel through water? In this video segment adapted from NOVA, a young Albert Einstein grapples with this question while examining the speed of light. Accessibility features: Caption	6-12	Video
Electric Girl Anna loves electricity. Watch her construct a homemade flashlight and show off her new, electrifying hairdo in this video segment from ZOOM. Accessibility features: Caption	3-8	Video
Electricity This video segment from IdahoPTV's D4K explains some electrical vocabulary and follows the route of electricity from its generation to the home. Accessibility features: Caption, Transcript	4-6	Video
The Electromagnetic Spectrum: FRONTLINE This video segment adapted from FRONTLINE introduces the electromagnetic spectrum and explains how the various types of electromagnetic waves are distinguished by the amount of energy each wave carries. Accessibility features: Caption	6-12	Video
The Electromagnetic Spectrum: NASA From radio waves to gamma rays, this video segment from NASA introduces the seven categories of the electromagnetic spectrum and how each type of radiation is part of our everyday lives. Accessibility features: Caption	3-12	Video
Electrophoresis and Gel Analysis In this animation produced by WGBH and Digizyme, Inc., see how molecules of DNA are separated using gel electrophoresis, and how this process enables scientists to compare the molecular variations of two or more DNA samples. Accessibility features: Caption	9-12	Video
The Elements: Forged in Stars The story of how elements from lithium to uranium are created by stars is illustrated through animation and a hands-on periodic table in this video segment adapted from NOVA. Accessibility features: Caption	6-12	Video
Energy Transfer in a Trebuchet On NOVA, a team of carpenters, timber framers, engineers, and historians recreate a medieval throwing machine called a trebuchet. This adapted video segment explores how understanding energy transfer informs their design. Accessibility features: Caption	6-12	Video
Engineering Biofuels In this video segment adapted from KQED's QUEST, find out how synthetic biologists use the techniques of metabolic engineering and directed evolution to make more effective biofuels. Accessibility features: Caption	9-12	Video
Ethanol Biofuel In this video segment adapted from NOVA, learn about one scientist's idea for using biotechnology to make ethanol a more efficient alternative to gasoline. Accessibility features: Caption	9-12	Video
Everyday Radiation How much radiation are we exposed to every day? Find out in this video segment adapted from FRONTLINE. Accessibility features: Caption	6-12	Video
Experimenting with a Glass Xylophone In this video segment adapted from ZOOM, the cast investigates how the pitch of sound changes when they strike a variety of glasses filled with different amounts and types of liquids. Accessibility features: Caption	3-8	Video
Experimenting with a Lemon Battery Can a fresh lemon power a digital clock? In this video segment adapted from ZOOM, the cast shows you how this can be done and, in the process, discover how kids can be a part of an electric circuit. Accessibility features: Caption	3-8	Video
Experimenting with a Pendulum In this video segment, members of the ZOOM cast experiment with a pendulum and discover what they need to do to make the pendulum complete one back-and-forth swing in five seconds. Accessibility features: Caption	3-8	Video
Exploring Conductivity: Kid Circuits In this video segment adapted from ZOOM, cast members join hands and become electron conductors to complete an electric circuit. Accessibility features: Caption	3-8	Video
Exploring Windmill Design In this video segment adapted from ZOOM, cast members are challenged to design a windmill that can be powered by a hair dryer. Accessibility features: Caption	3-8	Video
Firth of Forth Cantilever Bridge This video segment from Building Big: "Bridges" demonstrates the basic design of a cantilever bridge by looking at Scotland's Firth of Forth Railway Bridge. Accessibility features: Caption	3-12	Video
Flight This video segment from IdahoPTV's D4K takes you on a flight with a young student and a pilot as you learn about the 4 aerodynamic forces which are present when air is moving past an object such as an airplane. Accessibility features: Caption, Transcript	4-6	Video
Force and Motion This video segment from IdahoPTV's D4K explains and gives examples of Sir Isaac Newton's 3 Laws of Motion using the rides at an amusement part. Accessibility features: Caption, Transcript	4-6	Video
Fracking In this video segment adapted from Need to Know, learn about the controversial method of extracting natural gas known as hydraulic fracturing, or fracking, and how some residents who live near drill sites are concerned that it's polluting their water. Accessibility features: Caption	9-12	Video
Franklin Chang-Díaz: Rocket Scientist This video segment adapted from NOVA scienceNOW profiles Franklin Chang-Díaz, a scientist who is working on plasma-powered rockets and was NASA's first Latin American astronaut. Accessibility features: Caption	6-12	Video
Fusion: Testing the First Hydrogen Device This video segment adapted from AMERICAN EXPERIENCE features original footage of the U.S. test of the first hydrogen device, code-named "Mike", that would trigger thermonuclear fusion. Accessibility features: Caption	6-12	Video
Fusion: The Hydrogen Bomb Just after World War II, nuclear scientists turned their attention from fission to fusion. This video segment adapted from AMERICAN EXPERIENCE looks at the beginnings of thermonuclear power generation. Accessibility features: Caption	6-12	Video
Galileo on the Moon Watch Apollo 15 astronaut David Scott perform Galileo's falling objects experiment on the Moon in this video segment from NASA. Accessibility features: Caption	6-12	Video
Galileo's Big Mistake Scientists don't always get it right. This video segment adapted from NOVA looks at Galileo's failed theory for the motion of the tides. Accessibility features: Caption	6-12	Video
Galileo's Telescope The invention of the telescope helped change our understanding of the universe. This video segment adapted from NOVA looks at Galileo's contribution to this technology. Accessibility features: Caption	6-12	Video
Galileo's Thought Experiment How can Earth move through space without our feeling its motion? This video segment adapted from NOVA answers this question by dramatizing one of Galileo's thought experiments. Accessibility features: Caption	6-12	Video
Geothermal Power This video segment from Vegas PBS shows the important role geothermal energy systems can play in making a more energy-efficient and greener building. Accessibility features: Caption	3-12	Video
Germany Phases Out Nuclear Power This video excerpt from FRONTLINE: "Nuclear Aftershocks" explores the debate behind Germany's decision to phase out its nuclear energy program and revert back to coal as “the bridge” that will eventually allow greater reliance on renewable energy. Accessibility features: Caption	6-12	Video
Glass Breaking with Sound In this video adapted from the Encyclopedia of Physics Demonstrations, learn how a glass beaker vibrates at a specific frequency and how resonance can force it to shatter. Accessibility features: Caption	6-12	Video
Glider Boy Meet 12-year-old Jesse, the designer of dozens of gliders, in this ZOOM video segment. Some of his gliders fit in your hand, while others can only be stored in the garage. Watch his gliders go and learn why they fly. Accessibility features: Caption, Transcript	K-8	Video
Global Warming: Carbon Dioxide and the Greenhouse Effect This video segment adapted from NOVA/FRONTLINE demonstrates the physical property of carbon dioxide that causes the greenhouse effect. Accessibility features: Caption	6-12	Video
Global Warming: The Developing World This video segment adapted from NOVA/FRONTLINE looks at the future of global warming as developing nations, including India and China, increase their need for energy. Accessibility features: Caption	6-12	Video
Global Warming: The Hydrogen Car Is the hydrogen car the answer to global warming? This video segment adapted from NOVA/FRONTLINE looks at the pros and cons of this developing technology. Accessibility features: Caption	3-12	Video
Global Warming: The Physics of the Greenhouse Effect This video segment adapted from NOVA/FRONTLINE examines the greenhouse effect, its role in keeping Earth habitable, and the industrial changes that have led to an increase in the planet's average temperature. Accessibility features: Caption	6-12	Video
Gravity This video segment from IdahoPTV's D4K demonstrates how gravity, mass, matter, and weight are related and how astronauts can overcome earth's gravity to fly to space. Accessibility features: Caption, Transcript	2-6	Video
Gravity at Earth's Center In this video segment from NOVA scienceNOW, learn about the effects of gravity as astrophysicist Neil deGrasse Tyson falls through a virtual hole through Earth's center. Accessibility features: Caption	6-12	Video
Green Energy This video segment from IdahoPTV's D4K describes renewable and non-renewable energy sources and the benefits and drawbacks of each. It provides some ideas about how you can personally conserve energy. Accessibility features: Caption, Transcript	4-6	Video
Hana's Japanese Drums In this ZOOM video segment, join Hana as she learns traditional Japanese drumming with her Taiko group. Accessibility features: Caption, Transcript	K-8	Video
Helium Is Boring In this video adapted from the National Science Center, observe a demonstration to discover how helium gas is inert and hydrogen gas is reactive. Accessibility features: Caption	3-8	Video
Hoover Dam This video segment from Building Big: "Dams," demonstrates the basic principals at work in the Hoover Dam, a concrete gravity dam that also makes use of the properties of the arch. Accessibility features: Caption	3-12	Video
How Do You Get to the Moon? This video, adapted from NOVA, showcases the competing engineering plans designed for landing a person on the Moon for the first time. Accessibility features: Caption	6-12	Video
How to Reduce Lead Exposure Learn how to prevent childhood lead poisoning in this video segment adapted from Lead Awareness for Parents by the Coalition to Prevent Lead Poisoning. Accessibility features: Caption	6-8	Video
How Would You Turn a Bolt in Space? In this fast-paced NASA Brain Bites™ video, an astronaut demonstrates the impact of microgravity on the use of tools in space. Accessibility features: Caption	3-8	Video
The Impact of Technology: Nylon This video segment adapted from A Science Odyssey looks at the invention of nylon. Accessibility features: Caption	6-12	Video
$The Index of Refraction and Snell’s Law$ The Index of Refraction and Snell’s Law Learn about the index of refraction and Snell's law in this video from the ICT Center. Accessibility features: Caption	11-12	Video
Infrared: More Than Your Eyes Can See In this video segment adapted from NASA, astronomer Michelle Thaller introduces the world of infrared light and demonstrates how infrared cameras allow us to see more than what the naked eye can perceive. Accessibility features: Caption	3-12	Video
Inside an Explosion From afar, an explosion may seem like one of the most incredible examples of chaotic interaction. But once you look closer, as in this video from QUEST, you will find that large-scale explosions require very precise interactions to occur in just the right sequence. Accessibility features: Caption	8-12	Video
Inspector Detector Challenge In this video from Design Squad Nation, kids design and build magnetic-field detectors and use them to find hidden magnets. They also learn how NASA uses magnetometers to learn what is going on inside a planet or moon. Accessibility features: Caption	4-8	Video
$Interference and Diffraction$ Interference and Diffraction Learn about interference and diffraction in this video from the ICT Center. Accessibility features: Caption	11-12	Video
Introduction to Plastics Learn about the basic process of plastics production, and observe how monomers combine to form polymer chains, in this video segment adapted from Pennsylvania College of Technology and WVIA. Accessibility features: Caption	9-12	Video
Investigating a Suspension Bridge In this video segment adapted from ZOOM, the cast builds a suspension bridge from a couple of chairs, some cardboard, and rope. Accessibility features: Caption	3-8	Video
Invisible Force Challenge In this video from Design Squad Nation, kids design and build systems that use magnets to control the speed and direction of a rolling ball. They also learn how NASA uses gravity to direct a spacecraft. Accessibility features: Caption	4-8	Video
Island of Stability In this video segment adapted from NOVA scienceNOW, follow scientists in their quest to understand how stable elements are made and how to create the elusive element 114. Accessibility features: Caption	9-12	Video
Kid Designer: A Comfortable Cardboard Chair Follow along in this video segment from ZOOM as 13-year-old Nick explains how he came up with a design, tested materials, and constructed his own cardboard chair. Accessibility features: Caption, Transcript	3-12	Video
Kid Inventor: The Couch Protector Want to keep your dog off the couch? In this video segment from ZOOM, Jason demonstrates his invention that does just that: a couch protector. Accessibility features: Caption, Transcript	3-12	Video
Kid Musician: Mexico's Guitar Town Visit with Andres during fiesta time at Paracho Michoacan, Mexico's "guitar town". As Andres shows in this video segment from ZOOM, guitar music goes beyond simple sound vibrations. Accessibility features: Caption, Transcript	K-5	Video
Laser Tag In this video adapted from QUEST, take a ride along with South San Francisco police officers and learn about the latest high-tech tools used in traffic law enforcement. Accessibility features: Caption	6-12	Video
Laser Waterfall In this video from the Encyclopedia of Physics Demonstrations, observe how a laser beam is trapped in a water jet because the light reflects against the surface of the water. Accessibility features: Caption	6-12	Video
LED and Transmitter Characteristics Learn about fiber optic transmitters in this video from the ICT Center. Accessibility features: Caption	11-12	Video
Levers: Raising the Moai on Easter Island In this video segment adapted from NOVA, a team of archaeologists and engineers explores different uses of the lever by recreating the engineering feats of the ancient Easter Island peoples. Accessibility features: Caption	3-12	Video
LIDAR 3D Mapping See how researchers create 3-D maps of planets by using LIDAR (light detection and ranging) instruments in this video adapted from NASA. Accessibility features: Caption	9-12	Video