Lights that brighten the long nights of the winter solstice are part of many religious and cultural traditions. Putting together the circuitry to turn on a light bulb offers a fun introduction to physics and electrical engineering -- and a head start on the holidays.
Can Trees Replace Streetlights?
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Lesson: Lights and Circuits
 Students in grades 4-8 build simple circuits using a battery, wires, and light bulbs. They examine how electricity is conducted through a light bulb using a battery power source, and learn the difference between a series circuit and a parallel circuit.
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Spotlight: Two's Company
 Physics teacher Ed Linz learned the value of teamwork commanding a submarine, where crew members place their lives in each others' hands. He now collaborates with a special education instructor in teaching a mixed class of high school students.
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K-12 News: Do SATs 'Fall Back?'
 Researchers have found a "surprisingly strong" relationship between imposition of Daylight Saving and students' SAT scores. Students in Indiana counties that changed their clocks had scores that were 16 points lower than those in counties that didn't.
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 The colorful, new eGFI cards are here! The 15 cards from our homepage have been brought to life and sized just right (4" x 5"). An accompanying teachers guide offers fresh activities to inspire your students. The cards also encourage discussion of such challenges as ocean pollution, cyber-security, and robot development. Teacher tested and approved, the cards are available on our eGFI store.
Check Them Out
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