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Collection: WGBH Educational Foundation
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- Abstract: This visualization from NASA shows global rainfall patterns over a 22-year span. It incorporates data from a combination of remote-sensing and ground-based sources.
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- Abstract: 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.
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- Abstract: This animated essay from the American Experience Web site explains the difference between alternating and direct electric current and offers in-depth explanations about the role played by a battery, light bulb, wire, and generator. Grades 6-12.
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- Abstract: 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.
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- Abstract: In this interactive activity from the ZOOM Web site, search for chemistry clues and experiment with acids and bases in a virtual kitchen.
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- Abstract: In this video segment adapted from ZOOM, two cast members demonstrate what happens when vinegar is added to baking soda inside a container. The resulting chemical reaction produces enough carbon dioxide to launch their paper rocket skyward.
Recommended for: Grades K-5
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- Abstract: A car propelled by the reaction between lemon juice and baking soda has more in common with rockets and jet aircraft than one might think. In this video segment adapted from ZOOM, two cast members demonstrate the power of rocket-propelled vehicles and how to exploit the force produced by the carbon dioxide gas. Grades 3-8.
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- Abstract: It would seem that bottles of lemon juice and rockets have only their basic shape in common. However, as two cast members from ZOOM demonstrate in this adapted video segment, when baking soda is added to the mix, a plastic bottle can act very much like a real rocket. Grades 3-8.
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- Abstract: Our brains control every movement we make. Most of us take for granted our ability to pick up a cup or change the television station. However, for people who have lost a limb or become paralyzed, the inability to do these things means a loss of freedom and independence. This video segment from Greater Boston describes how neuroscientists and bioengineers have teamed up to create a system that allows people who have lost motor functions to control electronic devices through their thoughts alone. Grades 6-12
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- Abstract: Why did sex evolve? The likely answers, in this essay for the Evolution Web site by science journalist Matt Ridley, may surprise you.
Recommended for: Grades 9-12
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- Abstract: How does an airplane stay aloft when upside down? This media-rich essay from the NOVA Web site offers an explanation based on Newton's third law of motion. Grades 6-12.
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- Abstract: These photographs depict typical daily activities of African Americans before the Civil Rights movement gained force. From the segregated schools of the Deep South to the bustling cities of the North, the backdrop of different communities reveals a range of experiences.
Recommended for: Grades 6-12
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- Abstract: Do you need proof that driving is a dangerous activity? More Americans have died in car crashes over the past 100 years than in all the wars the U.S. has ever fought combined. More than 40,000 Americans die each year on the nation's highways, most as the result of high-speed collisions. In this video segment adapted from NOVA, learn how engineers developed the air bag, an important automobile-safety device now found in most cars.
Recommended for: Grades 3-12
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- Abstract: This collection of still images presents different ways to visualize air, from billowing sails to windblown hair to tornadoes.
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- Abstract: Without highly controlled jet propulsion, rockets and other aircraft would zip through the air as unpredictably as so many untied party balloons. In this video segment adapted from ZOOM, two cast members find out how slowing the amount of air expelled from a balloon and changing the direction of that air can affect the balloon's behavior. Grades 3-8
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- Abstract: 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.
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- Abstract: Explore this NOVA interactive activity to see how engineers have modified a military plane's sound, shape, and heat emissions to minimize detection.
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- Abstract: These materials document the goals and activities of the Alabama Christian Movement for Human Rights; from the Birmingham Civil Rights Institute.
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- Abstract: In this Evolution Web feature, test your skills at judging who's who on the tree of life while you learn about the tools and methods of cladistics.
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