Curated OER
Applied Science - Technology (3A) Post Lab
Third graders discuss how energy is created. In this energy lesson, 3rd graders look at how a city receives energy and how it is made. They create their own generator using a pin wheel and pipe cleaners.
Curated OER
Y8 Energy Transfers and Magnetism (H)
In this science word search activity, students identify and locate words as they relate to energy transfer and magnetism. There are 17 words to locate in the puzzle and spell correctly.
Science Buddies
Science Buddies: Build a Reed Switch Motor
After building a simple electric motor from a kit, with this experiment you can explore how voltage affects motor speed. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction,...
PBS
Pbs: Tesla, Master of Lighting
Inventor Nikola Tesla is the subject of this extensive PBS site. In addition to information on Tesla's life and work, the site offers insight into the ways in which society and invention affect each other.
Other
Corrosion Doctors: Nikola Tesla
Research scientist and Professor Pierre R. Roberge presents this extensively researched, documented and well written look at the life and contributions of Nikola Tesla. A great number of links, quotes and references are provided at the...
TeachEngineering
Teach Engineering: What's the Conductivity of Gatorade?
Students use conductivity meters to measure various salt and water solutions, as indicated by the number of LEDs (light emitting diodes) that illuminate on the meter. Students create calibration curves using known amounts of table salt...
TeachEngineering
Teach Engineering: Ohm's Law I
Students will work to increase the intensity of a light bulb by testing batteries in series and parallel circuits. It analyzes Ohm's Law, power, parallel and series circuits, and ways to measure voltage and current.
Georgia State University
Georgia State University: Hyper Physics: Ac Circuits
A very comprehensive site organized well with many topics dealing with AC circuits.
Boston University
Elementary Physics: Current and Resistance
A general summary of electrical resistance including a comparison of AC and DC current.
Great Idea Finder
The Great Idea Finder: Inventor George Westinghouse Biography
A very readable biography of George Westinghouse, Jr., inverntor of the train air brake, among many other things. Find a list of his achievements and a discussion of the development of his inventions.
Texas Instruments
Texas Instruments: Ac Circuit Analysis
This electrical engineering activity uses a TI graphing calculator to analyze AC circuits including sine waves, capacitance and inductive reactance, solving series AC circuits, and RMS calculations.
PBS
Who Made America?: Innovators: George Westinghouse, Jr.
One-page profile of influential innovator, George Westinghouse, Jr., whose vision and ideas helped to increase the safety of the railroad system in America. His experimentation with electricity also had a huge impact on the power...
PBS
Pbs: Who Made America?: George Westinghouse, Jr.
From the series, They Made America, on PBS, this biography of George Westinghouse tells about his development of the air brake for railroad cars, and his experimentation with alternating current that revolutionized the transmission of...
Other
Fayette County Public School: The Current War
A summation of the War of the Currents featuring Nikola Tesla and Thomas Edison against a backdrop of The Columbian Exposition and an execution.
Other
Westinghouse Electric Co.: George Westinghouse
A brief biography from the company that bears his name. George Westinghouse was a prolific inventor, and this biography recounts his many inventions, beginning with the air brake which greatly increased safety on the railroads.
Massachusetts Institute of Technology
Mit: Inventor of the Week: George Westinghouse
This brief article on the life and contributions of George Westinghouse (1846-1914) includes a picture. Read about his air brake as well as his development of the alternating current system.
National High Magnetic Field Laboratory
Magnet Academy: Guitar Pickup
Keith Richards and Eric Clapton owe their fame and fortune (in part) to electromagnetic induction. (Java tutorial)
National High Magnetic Field Laboratory
Magnet Academy: Alternating Current
Alternating current behaves differently, depending on what components are in a circuit.
National High Magnetic Field Laboratory
Magnet Academy: Inductive Pendulum
Get the swing of electromagnetic induction with this simple tutorial. (Java tutorial)
National High Magnetic Field Laboratory
Magnet Academy: Pixii Machine
This "magneto-electric machine" was the first to turn motion into electricity. (Java tutorial)
National High Magnetic Field Laboratory
Magnet Academy: Nikola Tesla
Awarded more than 100 patents over the course of his lifetime, Nikola Tesla was a man of considerable genius and vision. He was reportedly born at exactly midnight during an electrical storm, an intriguing beginning for a man who would...
CK-12 Foundation
Ck 12: The Electric Generator
[Free Registration/Login may be required to access all resource tools.] This lesson explains how an electric current is produced by a generator. Includes a simulation.
Library of Congress
Loc: Westinghouse Works, 1904: George Westinghouse
Read a brief biography of George Westinghouse, who invented the air brake, making trains much safer. Find out how he was responsible for some very important concepts in the delivery of electricity.
National Inventors Hall of Fame
National Inventors Hall of Fame: George Westinghouse
Find information about George Westinghouse's contributions to both railroad safety and the adoption of alternating current for motors and the transmission of electricity.