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TI program participant Mark Hespenheide presents an elegant illustration of free fall using string and paper clips. How do you give your students the words they need to understand an activity or a topic? TI Staff Educator Modesto Tamez explains his opinion that vocabulary is best given towards the end of a lesson, not at the beginning. This electrifying After Dark event featured Austin Richards, Ph.D.—aka, Dr. MegaVolt®—jousting with 14-foot electrical arcs from his high-voltage Tesla coil on the evening of Thursday, November 5, 2009. This wonderful performance contributed to the celebration of the Exploratorium’s 40th Anniversary.
Is water ice present or absent in a crater near the moon's south pole? NASA’s Lunar CRater Observing and Sensing Satellite (LCROSS) mission is seeking a definitive answer. Join Exploratorium staff for a special Webcast featuring live coverage of LCROSS crashing into the moon! Our team will be broadcasting live from the 36" Refractor Telescope at Lick Observatory on Mt. Hamilton, where we’ll watch the impact and investigate how this intentional crash could reveal the existence of water ice. Our host, Stephanie Chasteen, shares some more fun facts and activities having to do with the science of sound.
Kids can be pretty skeptical, which can help them to learn more. Children’s book author David Schwartz shares some of the letters from classes who thought they should double-check the numbers in some of his books.
Our 40th anniversary members' magazine has a cool augmented-reality cover that works with your webcam. Try it here. Staff educator Tory Brady tells you how to make a teaching box—a valuable tool for getting yourself organized to teach a great science unit.
TI staff educator Eric Muller shows me how to carbonate my tongue. Blech!
A detailed demonstration of how to do the Color Chromatography activity, which lets you see the colors hidden in black ink. Includes a discussion of materials needed.