TeachEngineering
Teach Engineering: Electromagnets
In this activity, the students will complete the grand challenge and design an electromagnet to separate steel from aluminum for the recycler. In order to do this, students compare the induced magnetic field of an electric current with...
Science Struck
Science Struck: Amperage vs. Voltage What Is the Difference?
This article explains what voltage and amperage are and the effect batteries have on them in an electrical circuit.
Other
Advanced Thermoelectric: Fundamental Thermoelectrics
Discusses the scientific principles (the Peltier effect) and the reliability and operation of thermoelectric modules. Includes a link to several other pages, one of which contains an animation of their operation.
Walter Fendt
Walter Fendt: Apps Zur Physik
This site, in German, offers numerous apps that illustrate common physics principles. Apps are organized into categories: mechanics, oscillations and waves, electrodynamics, optics, thermodynamics, the theory of relativity, physics of...
PBS
Pbs Teachers:origins Back to the Beginning
This hour long program by NOVA is split into six segments and examines a issues influencing scientists' current understanding of how the universe was formed. This includes The Big Bang and its lasting effects.