- Why do the lights turn on in a room as soon as you flip a switch? Flip the switch and electrons slowly creep along a wire. The light turns on when the signal reaches it.
- Upper Primary, Middle School, High School, Community College / Lower Division, College / Upper Division
- Material Type:
- Carl Wieman, Sam Reid, Wendy Adams
- University of Colorado Boulder
- Provider Set:
- PhET Interactive Simulations
- Date Added:
- Creative Commons Attribution
- Media Format:
- Interactive, Text/HTML
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