Abstrakt: |
These activities are safe and accessible for high school students and are described here so that science teachers can teach electricity concepts throughout history to their students. It is not safe or practical to make light bulbs, but this demonstration can lead to a discussion about the difference between incandescent bulbs, LED bulbs, and fluorescent bulbs. Electricity is a fascinating phenomenon and one of the most important driving forces in the natural world, and our understanding of it all began with a fossilized lump of tree resin and a mystical rock from ancient Turkey. (HSPS2-5)" Investigation 8: Burning bulbs Materials Incandescent lightbulb Paper bag Tray for displaying bulb Eventually, my students dissected incandescent light bulbs like those invented by Thomas Edison in 1879 and Lewis Latimer in 1881. [Extracted from the article] |