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This simulation of Ohm's Law is from the Physics Education Technology website of the University of Colorado. Included are links to related topics and additional ideas and activities for teachers to use. See how the equation form of Ohm's law relates to a simple circuit. Adjust the voltage and...

This website provides a variety of quick-reference resources pertaining to Ohm's/Watts law, wire gauge sizes, resistor color code, and calculators that automatically provide answers when numerical values are entered. As it is explained on the site, "Ohm's law (named after the German physicist Georg...

This video from Laser-Tec is part of a series of light and optics experiments. This lab explores optical alignment techniques. Equipment includes a laser diode module, laser holder, target card, blue filter, two lens holders, and alignment cards. The video recording runs 10:41 minutes in length.

This video from Laser-Tec is part of a series of light and optics experiments. In this lab, participants learn about optical filters. Participants learn how to identify primary and secondary colors, explore color mixing using primary and secondary filters, and learn about applications for color...

This video from SpaceTEC National Aerospace Technical Education Center explains the mechanics of orbital dynamics and Newton's First Law of Motion. This three minute video is one of the aerospace certification readiness courses.

This video, from the Laser and Fiber Optics Regional Center, is the third of eight lectures in the Introduction to Photonics Video Series for Technologists. This video discusses the particle properties of light. An overview of the following topics is provided: photon, absorption, emission, blackbody...

Look inside a resistor to see how it works. Increase the battery voltage to make more electrons flow though the resistor. Increase the resistance to block the flow of electrons. Watch the current and resistor temperature change. This simulation of a battery-resistor circuit is from the physics...

Pump gas molecules to a box and see what happens as you change the volume, add or remove heat, change gravity, and more. Measure the temperature and pressure, and discover how the properties of the gas vary in relation to each other. This simulation of a Gas Properties is from the Physics Education...

Learn about the physics of resistance in a wire. Change its resistivity, length, and area to see how they affect the wire's resistance. The sizes of the symbols in the equation change along with the diagram of a wire.This simulation of a Resistance in a Wire is from the Physics Education Technology...

The interactive resource, presented by the University of Colorado, Boulder, presents a demonstration how a doped semiconductor to create a diode or transistor. Watch the electrons change position and energy. This interactive simulation has a teacher's guide and an ideas and activities section.