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# Browse results: Electricity and Magnetism

RESULTS 1-11 OF 11

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## AC / DC: What's the Difference?

This animated essay from the American Experience Web site explains the difference between alternating and direct electric current and offers in-depth explanations about the role played by a battery, light bulb, wire, and generator.

6-12

Interactive

## Bandwidth and Data Conversion

This interactive activity adapted from the Wisconsin Online Resource Center describes the factors that affect the speed of data transfer in computer networking systems and some of the techniques used to increase the data capacity of these systems.

9-12

Interactive

## Electric Charges Interact

Experiment with electric charges to find out how they interact in this interactive activity adapted from NASA.

6-12

Interactive

## Generating Electrical Voltage

This interactive resource adapted from the Wisconsin Online Resource Center illustrates how electrical voltage is generated through a process called magnetic induction and describes some of the factors that affect the magnitude of the voltage produced.

9-12

Interactive

## Generation of Alternating Current

This interactive resource adapted from the Wisconsin Online Resource Center illustrates the parts of an electrical generator and shows how they function to produce alternating current.

9-12

Interactive

## Infrared Gallery

How would your world look if you saw heat instead of light? In this interactive resource produced for Teachers' Domain, see what familiar objects look like through an infrared camera and watch infrared videos of geysers, mudpots, and hot springs.

3-12

Interactive

## Inside a Solar Cell

This interactive activity adapted from NOVA Online features animations that illustrate the components of a typical photovoltaic cell and how it converts solar energy into electricity.

9-12

Interactive

## Inverse Square Law

This animation from KET's distance learning physics course demonstrates the mathematical formula for a scientific law as it applies to light.

6-12

Interactive

## Ohm's Law

In this interactive simulation of Ohm’s law, adapted from the University of Colorado's Physics Education Technology project, adjust the voltage and resistance in a circuit, and observe how this affects the flow of current.

3-12

Interactive

6-12

Interactive

## Tour the Electromagnetic Spectrum

Take NOVA's interactive tour of the electromagnetic spectrum and find out why your eyes are like antennae for a narrow band of electromagnetic radiation.

6-12

Interactive

RESULTS 1-11 OF 11