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Stile: 2.1 Lesson: Electromagnetism (Part 1)
This is a sample lesson on electromagnetism. It includes animated diagrams, interactive exercises, an audio option for reading the text, and comprehension questions throughout where students can type their answers or pick from...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Band Structure
Explore the origin of energy bands in crystals of atoms. The structure of these bands determines how materials conduct electricity. Java required.
DOGO Media
Dogo News: Plant Powered Lamps Bring Light to Village in Peru
Read about the amazing development of plant-powered lamps that are bringing electricity to a village in remote Peru. Includes video.
TeachEngineering
Teach Engineering: Generators: Three Mile Island vs. Hoover Dam
Students are given a history of electricity and its development into the modern age lifeline upon which we so depend. The methods of power generation are introduced, and further discussion of each technology's pros and cons follows.
Science Struck
Science Struck: The Relationship Between Magnetism and Electricity
Provides a short explanation of the similarities between magnetism and electricity, the properties of their fields, and the effect they each have on a charged particle.
NASA
Nasa: Oersted and Ampere Link Electricity
NASA provides a nice blending of the achievements of three scientists, Oersted, Ampere, and Maxwell. This done by NASA-sponsored International Solar-Terrestrial Physics group. Lots of pictures, diagrams, and scientific explanation. Good...
Other
Hes Energy Net: Energy Use and Delivery: Lesson Plan 3.3: Electromagnets [Pdf]
In this lesson plan, young scholars learn how to identify and explain an electromagnet, describe the relationship between electricity and magnetism, and compare an electromagnet to a bar magnet.
Internet History Sourcebooks Project
Fordham University: Modern History Sourcebook: Michael Faraday (1791 1867)
Contains brief biographical information on Michael Faraday, as well as the text of the following lectures delivered by Faraday: The Force of Gravitation, Gravitation-Cohesion, Cohesion-Chemical Affinity, Chemical Affinity-Heat,...
National High Magnetic Field Laboratory
Magnet Academy: Duchenne Machine 1850
French physician Guillaume Benjamin Amand Duchenne invented a device that electrically stimulates muscles. The apparatus gave him new insight into neuromuscular disorders, earned him the epitaph of "father of electrotherapeutics," and...
Florida State University
Florida State University: Magnet Lab: Electric Meter 1872
The invention of the light bulb quickly created the need to track people's electricity usage. In 1872, Samuel Gardiner built the first simple power meter: a lamp with an attached clock that recorded the time the light was on.
National High Magnetic Field Laboratory
Magnet Academy: Heat Resistance
Heating a metal conductor makes it more difficult for electricity to flow through it. See why in this tutorial. (Java tutorial)
National High Magnetic Field Laboratory
Magnet Academy: Magnetometer 1832
The Earth, the moon, the stars and just about everything in between has a magnetic field, and scientists use magnetometers when they need to know the strength of those fields.
Sophia Learning
Sophia: Electric Circuits: Lesson 2
This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 2 of 4 in the series titled "Electric Circuits."
Sophia Learning
Sophia: Electric Circuits: Lesson 4
This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 4 of 4 in the series titled "Electric Circuits."
Science4Fun
Science4 Fun: How Electricity Is Made
Read this brief article to gain an understanding of the principle of electromagnetism, how electricity is generated, and the problem with fossil fuels.
Other
Ithaca Hs Ny/electrical Generator Ac or Dc/applet
What a lovely little applet! You can speed/slow it, change it from AC to DC, plot the voltage as it rotates, change direction, control other information. Real neat.
Physics4kids
Physics4 Kids: Electricity and Magnetism: Current
Explains electric current, how it produces heat, and the difference between a direct current and an alternating current.
TeachEngineering
Teach Engineering: Two Sides of One Force
Young scholars learn more about magnetism, and how magnetism and electricity are related in electromagnets. They learn the fundamentals about how simple electric motors and electromagnets work. Students also learn about hybrid...
Wikimedia
Wikipedia: Electromagnet
Easy-to-read information and an illustration of an "electromagnet," a type of magnet in which the magnetic field is induced by the flow of an electric current.
National High Magnetic Field Laboratory
Magnet Academy: Magneto 1832
The magneto helped fire up the first generation of automobiles.
Exploratorium
Exploratorium: Science Snacks: Motor Effect
"A magnet exerts a force on current-carrying wire." This simple device shows how magnets affect wires with current in them, the basis of the electric motor. If you see, feel and understand this, the electric motor becomes very clear.
Concord Consortium
Concord Consortium: Stem Resources: How Electrons Move
A collection of interactive activities and games to explore how electric fields and magnetic fields move electrons and charged particles in directions that can be planned. Understand that knowing how to control the movement of electrons...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Charge Trajectories
Investigate a the forces exerted on a charged particle by electric and magnetic fields. Initially, find out how the charge behaves in an electric field. Then, see how the charge behaves in a magnetic field. Finally, initiate both fields...
National High Magnetic Field Laboratory
Magnet Academy: Kettle 1891
Found in more homes than any other appliance, the kettle has steadily evolved from an ancient tool to an important modern convenience.
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