TeachEngineering
Teach Engineering: Solenoids
This lesson discusses solenoids. Students learn how to calculate the magnetic field along the axis of a solenoid and complete an activity exploring the magnetic field of a metal slinky. Solenoids form the basis for the magnet of an MRI....
TeachEngineering
Teach Engineering: Both Fields at Once?!
This lesson discusses the result of a charge being subject to both electric and magnetic fields at the same time. It covers the Hall effect, velocity selector, and the charge to mass ratio. Given several sample problems, students learn...
Physics Aviary
Physics Aviary: Magnetic Induction Lab
This lab was designed to have students test the things that can induce a current in a coil of wires. This lab is a purely quantitative lab.
CK-12 Foundation
Ck 12: A Practical Application of Electro Magnetism
[Free Registration/Login may be required to access all resource tools.] This lesson explains how an electric motor works.
Discovery Education
Discovery Education: The Em Spectrum: Waves of Energy
Students are introduced to the electromagnetic spectrum through this group research activity. Each group investigates a different wavelength range within the em spectrum and reports back to class. Discussion ideas also included.
Khan Academy
Khan Academy: Right Hand Rule
Learn the convention for describing the direction of magnetic fields. Challenge questions are included.
CK-12 Foundation
Ck 12: Physical Science: Solenoid
[Free Registration/Login may be required to access all resource tools.] What a solenoid is and how to change the strength of its magnetic field, and some uses of solenoids.
National High Magnetic Field Laboratory
Magnet Academy: Davenport Motor 1834
Odd though it seems today, when Thomas Davenport was selling one of the first electric motors way back in the 1830s, nobody was buying.
TeachEngineering
Teach Engineering: Two Sides of One Force
Students 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...
Alabama Learning Exchange
Alex: Are You Picking Up What I'm Putting Down?
How are magnetism and electricity related? Learners will explore the relationship between magnetism and electricity, learn how to construct an electromagnet, and discover everyday uses of electromagnets. Students will create a multimedia...
Exploratorium
Exploratorium: Curie Temperature
In this experiment, students experience the Curie point--and what happens when a piece of iron gets too hot to attract a magnet.
TeachEngineering
Teach Engineering: Yogurt Cup Speakers
This lesson introduces students to the role of electricity and magnetism as they build a speaker. In addition, students explore properties of magnets, create an electromagnet, and determine the direction of a magnetic filed. They conduct...
Florida State University
Florida State University: Magnet Lab: What Is a Bus Room?
The MagLab's bus tunnel has an aluminum track, but it doesn't carry passengers: it carries electricity, up to 56 megawatts of it.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Electric Generator Model
An electromagnetic induction model that simulates an electric generator made from a conducting loop rotating in a uniform magnetic field and connected to an ammeter.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: E X B Trajectory Model
Simulate the motion of a charged particle in electric and magnetic fields, and then complete the equations of motion using the Lorentz force law.
University of St. Andrews (UK)
University of St. Andrews: James Clerk Maxwell
Research resources for James Maxwell (1831-1879), who did revolutionary work on electricity and magnetism and on the kinetic theory of gases.
CK-12 Foundation
Ck 12: Physics Simulation: Doorbell
[Free Registration/Login Required] Understand how magnetic fields generated by solenoid coils can be used to create an operating doorbell using this interactive simulation. A PDF worksheet and a video tutorial are also available. [1:51]
Massachusetts Institute of Technology
Mit: Open Course Ware: Resources: Electromagnetic Field Theory
College-level electrical engineering textbook starting from the Coulomb-Lorentz force law on a point charge. Sample problems that reinforce the content are found at the end of each chapter. Includes downloadable excerpts of the textbook...
Exploratorium
Exploratorium: Science Snacks: Modulated Coil
Can you hear a magnet? In this activity you will be able to transfer the sound from your iPhone, iPod or radio to a cassette-tape player.
CK-12 Foundation
Ck 12: Physics Simulation: Galvanometer
[Free Registration/Login Required] Understand how the magnetic field generated by loops of current-carrying wire is used to create measuring devices like voltmeters and ammeters with this interactive simulation. A PDF worksheet and a...
National High Magnetic Field Laboratory
Magnet Academy: Capacitor
A capacitor is similar to a battery in that both store electrical energy. But a capacitor can't actually produce new electrons; it only stores them.
National High Magnetic Field Laboratory
Magnet Academy: Transformers
Use this interactive, simple transformer to make a complete circuit via induction using two separate coils with iron cores inside.
Exploratorium
Exploratorium: Science Snacks: Magnetic Suction
An experiment to find out how an old-style doorbell works.
Famous Scientists
Famous Scientists: Hans Christian Oersted
Learn how Hans Christian Oersted's discoveries in electricity led him to discover electromagnetism.