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.

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Give It A Shake, Cornstarch Comes Alive

In this video from Science Friday, learn about a surprising mixture, known as a complex fluid.

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.

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Global Warming and The Greenhouse Effect

This video excerpt from Race to Save the Planet discusses the greenhouse effect and global warming.

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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.

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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.

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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.

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Group Metals

Metals are grouped according to their characteristics. This video segment uses the periodic table for an in-depth discussion.

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.

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How Elements Form Compounds

This video excerpt from NOVA: "Hunting the Elements" examines how elements come together in chemical reactions to form compounds.

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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.

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Hubble's Expanding Universe

This adapted video segment, using footage from NOVA and NASA, examines Edwin Hubble's work and how his findings laid the foundation for the Big Bang theory.

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The Impact of Technology: Nylon

This video segment adapted from A Science Odyssey looks at the invention of nylon.

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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.

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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.

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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.

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Light Particles Acting Like Waves: The Uncertainty Principle

This video segment adapted from A Science Odyssey uses a laser beam to demonstrate how light particles act like waves, illustrating Heisenberg's Uncertainty Principle.

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Macro Concerns in a Nano World

Nanotechnology is beginning to play a larger part in our lives. In this video from QUEST produced by KQED, explore how because of mounting environmental and health concerns about exposure to nanomaterials, a growing debate about their possible regulation has been sparked.

Making Cortisone From Plants

This video segment adapted from NOVA is a dramatized story of chemist Percy Julian’s work to synthesize cortisone. Find out how a biological process, not a chemical one, proved the key to producing cortisone in bulk.

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Making Electricity at a Coal-Burning Plant

This video from KET traces the energy transformations that occur when coal is burned to produce electricity. Some of the mechanical processes are also described.