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Browse results: Physical Science

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RESOURCE	GRADE LEVEL	MEDIA TYPE
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
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
Astronauts Speak: Gene Cernan In this audio resource from NOVA, astronaut Gene Cernan recounts his harrowing experience during America's first attempt to do work in outer space. Accessibility features: Transcript	3-12	Audio
Atomic Structure of an Alloy Learn about the atomic structure of bronze, a copper alloy, in this video excerpt from NOVA: "Hunting the Elements." Accessibility features: Caption, Transcript	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
Beyond Einstein NASA scientists describe some of the ways current science is addressing several of Einstein's fundamental questions and theories in this video adapted from NASA. Accessibility features: Transcript	9-12	Video
Columns: Experimenting with Balloons Watch the ZOOM cast find out how many balloons filled with air and then with water are required to support the weight of a cast member. Accessibility features: Caption, Transcript	3-8	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
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
Cosmic Origin Spectrograph This video from NASA features the Cosmic Origin Spectrograph (COS), which allows scientists to use spectrographic analysis to assess the composition of intergalactic material. Accessibility features: Transcript	9-12	Video
Defy Gravity! Balancing Balls on Air In this video segment adapted from ZOOM, cast members use a hair dryer to balance a ball in a stream of air, seemingly defying gravity. Accessibility features: Caption, Transcript	K-8	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
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: Mixing Hot and Cold Water Watch warm water float on top of cold water in this video segment adapted from ZOOM. Accessibility features: Caption, Transcript	K-8	Video
Density and Buoyancy: Pouring Air into Water This video segment adapted from ZOOM offers a clever demonstration of buoyancy by showing how to pour a cup of air into a cup filled with water. Accessibility features: Caption, Transcript	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
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 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 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
Designing the Citigroup Skyscraper This video segment adapted from Thinking Big, Building Small shows how a structural engineer overcame the challenge of building New York's Citigroup skyscraper over a church. Accessibility features: Caption, Transcript	3-8	Video
Developing the Periodic Table This video excerpt from NOVA: "Hunting the Elements" looks at how early chemists developed the periodic table of elements. Accessibility features: Caption, Transcript	6-12	Video
Dust-Proofing a Mars Rover Enter the lab of NASA scientist Dr. Carlos Calle to see how systems are being developed to keep planetary rover solar panels dust-free, in this video from NASA EDGE. Accessibility features: Transcript	6-12	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
Finding the Dew Point In this video from Cyberchase, the CyberSquad learns to keep track of both air temperature and humidity so they can predict when fog will appear. Accessibility features: Transcript	3-5	Video
A Fission Chain Reaction This video excerpt from NOVA: "Hunting the Elements” uses ping-pong balls and mousetraps to demonstrate nuclear fission. Accessibility features: Caption, Transcript	6-12	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
Fluid Dynamics In this video from NASA Launchpad, learn about the techniques and facilities astronauts use to train for working in microgravity environments. Accessibility features: Transcript	6-12	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
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
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
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
Growing Plants in Space Learn about the challenges and benefits of growing plants in space from plant biologist Dr. Ray Wheeler in this video from NASA. Accessibility features: Transcript	9-12	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
How Elements Form Compounds This video excerpt from NOVA: "Hunting the Elements" examines how elements come together in chemical reactions to form compounds. Accessibility features: Caption, Transcript	6-12	Video
It's Cool to Be a Civil Engineer Who decides how massive structures like skyscrapers are made? This video segment adapted from Thinking Big, Building Small showcases the job of a civil engineer. Accessibility features: Caption, Transcript	3-8	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
Lifting with Air How can you lift a heavy metal table using air? In this video segment adapted from ZOOM, cast members succeed in lifting a table using their own breath and a few plastic bags. Accessibility features: Caption, Transcript	K-8	Video
Mass vs. Weight: Accelerating Mass Astronauts on the International Space Station demonstrate Newton’s Second Law of Motion in this video from NASA's Teaching From Space initiative. Accessibility features: Transcript	6-12	Video
Mystery of the Multiverse This video excerpt from NOVA’s "The Fabric of the Cosmos: Universe or Multiverse?" explores the idea of the multiverse, stating that there could be multiple universes outside the boundaries of our universe. Statistically speaking, there’s a chance that there’s another Earth out there exactly like ours. Accessibility features: Caption, Transcript	9-12	Video
Pitch: Making Guitars Watch the rubber bands vibrate on homemade guitars in this video segment adapted from ZOOM as cast members talk about pitch and demonstrate how to make a cereal box instrument. Accessibility features: Caption, Transcript	K-5	Video
Potential and Kinetic Energy: Spool Racer In this video segment adapted from ZOOM, learn how the potential energy in a wound-up rubber band powers a spool racer. Accessibility features: Caption, Transcript	K-8	Video
Predicting the Angle of a Bouncing Ball In this Cyberchase video segment, the CyberSquad is trapped in an icy cave. In order to escape, they must use the principles of a bouncing ball to transport a key from one side of the icy cave to the other. Accessibility features: Transcript	3-6	Video
Radioactive Decay of Carbon-14 This video excerpt from NOVA: "Hunting the Elements" examines carbon isotopes and radiocarbon dating. Accessibility features: Caption, Transcript	6-12	Video
Rare Earth Elements This video excerpt from NOVA: "Hunting the Elements" explores the ubiquity of rare earth elements. Accessibility features: Caption, Transcript	6-12	Video
Simple Machines This video segment from IdahoPTV's D4K lists, describes and shows examples of the 6 simple machines and how they make work easier. Accessibility features: Caption, Transcript	4-6	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
Sound and Solids: Listening Stick This video segment, adapted from ZOOM, explores how sound waves travel differently through air than through solids like a yardstick, a baseball bat, and a golf club. Accessibility features: Caption, Transcript	K-8	Video
Sound and Solids: Stereo Hangers This video segment, adapted from ZOOM, explores how sound waves travel differently through solids than through air, in this case, a metal clothes hanger. Accessibility features: Caption, Transcript	K-8	Video
Sound and Solids: Visualizing Vibrations In this video segment, adapted from ZOOM, a tuning fork's vibrations are made visible as ripples in a bowl of water. Accessibility features: Caption, Transcript	K-8	Video
States of Matter This video segment from IdahoPTV's D4K explains and gives examples of the 4 states of matter: solid, liquid, gas, and plasma. Accessibility features: Caption, Transcript	4-6	Video
States of Water This short video segment from IdahoPTV's D4K defines a water molecule and describes the 3 states of water; steam, ice, and liquid. Accessibility features: Caption, Transcript	4-6	Video
Tangled Up in Teleportation This video excerpt from NOVA’s "The Fabric of the Cosmos: Quantum Leap" illustrates how quantum entanglement could be used to teleport people from one place to another, and discusses what you would need to make teleportation possible. Accessibility features: Caption, Transcript	9-12	Video
Teaching from Space: Centripetal Force An astronaut aboard the International Space Station demonstrates centripetal force in this video from NASA’s Teaching from Space program. Accessibility features: Transcript	6-12	Video
Teaching from Space: The Bernoulli Principle Come aboard the International Space Station to watch astronauts demonstrate Bernoulli’s Principle in this video from NASA. Accessibility features: Transcript	9-12	Video
Traveling Through Time This video excerpt from NOVA’s "The Fabric of the Cosmos: The Illusion of Time" explains gravity’s pull on time, and how time travel may be possible in the future. However, this kind of time travel might not be exactly like Hollywood’s depiction. Accessibility features: Caption, Transcript	9-12	Video
Using Salt to Melt Ice How can you pick up an ice cube with a string? Watch this video segment adapted from ZOOM to see how salt can help. Accessibility features: Caption, Transcript	K-8	Video
The Value of Copper This video excerpt from NOVA: "Hunting the Elements" examines copper's many uses and how its price is an economic indicator. Accessibility features: Caption, Transcript	6-12	Video
What Is "Weightlessness"? This video segment, adapted from ZOOM, shows how dropping a cup of water can both demonstrate gravity and create "weightlessness" here on Earth. Accessibility features: Caption, Transcript	K-8	Video
What Makes an Element Reactive? This video excerpt from NOVA: "Hunting the Elements" explains why some groups of elements are more reactive than others. Accessibility features: Caption, Transcript	6-12	Video
Wildfire This video segment from IdahoPTV's D4K describes the 3 elements that are needed for a fire triangle, and how the job of firefighters is to eliminate at least one of the elements. Learn how wildfires spread, what firefighters need to know in order to fight fires and why rehabilitation is important after a fire. Accessibility features: Caption, Transcript	4-6	Video