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: Electromagnetic Induction
In 1831, Michael Faraday carried out numerous experiments to prove that electricity could be generated from magnetism. He not only demonstrated electromagnetic induction, but also developed a good conception of the processes involved....
National High Magnetic Field Laboratory
Magnet Academy: Right and Left Hand Rules
No fancy movement in this tutorial, but these rules come in very handy when trying to understand some of what's going on in our other tutorials.
National High Magnetic Field Laboratory
Magnet Academy: Maglev Trains 1984
The railroad industry began in the frontier days, magnetic levitation has moved it squarely into the space age.
National High Magnetic Field Laboratory
Magnet Academy: Oersted's Compass 1820
Compasses had been steering people in the right direction for many centuries when, in the year 1820, one particular compass made a very different sort of revelation to an unsuspecting Danish science professor.
National High Magnetic Field Laboratory
Magnet Academy: Schweigger Multiplier 1820
Spurred by Hans Christian Orsted's discovery of a relationship between electricity and magnetism, German chemist Julian Schweigger immediately began tinkering and soon came up with a very early galvanometer known as the Schweigger...
National High Magnetic Field Laboratory
Magnet Academy: William Gilbert
William Gilbert was an English physician and natural philosopher who wrote a six-volume treatise that compiled all of the information regarding magnetism and electricity known at the time. The work included descriptions of many of...
National High Magnetic Field Laboratory
Magnet Academy: Hans Christian Orsted
A discovery by Hans Christian Orsted forever changed the way scientists think about electricity and magnetism. While preparing to perform an experiment during a lecture at the University of Copenhagen, he found that the magnetized needle...
National High Magnetic Field Laboratory
Magnet Academy: Wilhelm Weber
Find out more about German physicist Wilhelm Weber, who developed and enhanced a variety of devices for sensitively detecting and measuring magnetic fields and electrical currents.
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: Electromagnetic Induction
[Free Registration/Login may be required to access all resource tools.] In order to understand electromagnetic induction, students are introduced to magnetic flux, to Faraday's Law of Induction, and to Lenz's Law. Includes a simulation...
CK-12 Foundation
Ck 12: Unit 11: Magnetism: Summary
[Free Registration/Login may be required to access all resource tools.] Summaries the key concepts in a unit chapter on magnetism and electromagnetism.
TeachEngineering
Teach Engineering: Building an Electromagnet
Student teams investigate the properties of electromagnets. They create their own small electromagnet and experiment with ways to change its strength to pick up more paper clips. Students learn about ways that engineers use...
CK-12 Foundation
Ck 12: Physical Science: Electromagnet
[Free Registration/Login may be required to access all resource tools.] Explores what an electromagnet is, its strength, and how it can easily be turned on and off.
Texas Education Agency
Texas Gateway: Electromagnetic Forces
Given schematic diagrams, illustrations or descriptions, students will identify the relationship of electric and magnetic fields in applications such as generators, motors, and transformers.
Science Struck
Science Struck: Electromagnetic Waves: Origin and Theory
Discusses the history of the discovery and study of electromagnetism, the scientists who worked on it, the basic principle, how wavelength and frequency are related, and types of electromagnetic waves.
Science Struck
Science Struck: Electromagnetic Energy and Why It Is Important
Explains what electromagnetic energy is, the history of its discovery, some terms used when talking about it, and gives some facts about it.
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.
Famous Scientists
Famous Scientists: Andre Marie Ampere
Learn about Andre Marie Ampere, one of the founders of the science of classical electromagnetism, which he referred to as electrodynamics.
CK-12 Foundation
Ck 12: Physical Science: Why Earth Is a Magnet
[Free Registration/Login may be required to access all resource tools.] Why the Earth is a magnet and how its inner structure relates to its magnetic field.
CK-12 Foundation
Ck 12: Physical Science: Using Earth's Magnetic Field
[Free Registration/Login may be required to access all resource tools.] The Earth's magnetic field and how it protects life on Earth, and how it is used for navigation.
CK-12 Foundation
Ck 12: Physical Science: Electromagnetic Induction
[Free Registration/Login may be required to access all resource tools.] Covers what electromagnetic induction is, how it occurs, the current produced from it, and how it is used.
CK-12 Foundation
Ck 12: Physical Science: Magnetic Field Reversal
[Free Registration/Login may be required to access all resource tools.] Discusses what a magnetic field reversal is and the evidence that this has happened with the Earth.
CK-12 Foundation
Ck 12: Physical Science: Magnets
A module that uses pictures, videos, reading passages, and review question to go over what a magnet and magnetic pole are, and how magnetic force is related to magnetic field. This site may require free registration to access all...