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Science Education Resource Center at Carleton College
Serc: How Do Light Bulbs Work?
A guided inquiry that involves observation of the parts of a light bulb in a lab.
Smithsonian Institution
National Museum of American History: Lighting a Revolution
This website is part of a bigger exhibit exploring the history of invention. This looks at Edison's invention of the light bulb and many other electrical inventions from the following century.
TeachEngineering
Teach Engineering: Saltwater Circuit
Students build a saltwater circuit, which is an electrical circuit that uses saltwater as part of the circuit. Students investigate the conductivity of saltwater, and develop an understanding of how the amount of salt in a solution...