Physics4kids
Physics4 Kids: Electricity and Magnetism: Magnetic Fields
Explains magnetic fields, how they differ from electric fields, and attraction and repulsion.
National Institutes of Health
Niehs: Kids' Pages: What Are Electric and Magnetic Fields?
Informational fact sheet on electricity with emphasis on electric and magnetic fields.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is Magnetic Field?
Magnets can be used as toys, tools, and more. Identify how magnets work, what a magnetic field is, as well as what a magnetic force is.
Science Buddies
Science Buddies: Abracadabra! Levitating With Eddy Currents!
Did you know that not all trains run on tracks? Some of the world's fastest trains are magnetic levitation trains (maglev). This means that the carriage of the train is suspended over the rails with no support, but only with magnetic...
Other
University of Texas Arlington: Isostasy, Gravity, Magnetism, and Internal Heat
An in-depth look at how isostasy works and the processes taking place during glaciation and the melting of glaciers. Looks at gravity and the effects of density differences within the crust and mantle, and at Earth's magnetic field and...
TeachEngineering
Teach Engineering: Biot Savart Law
This lesson begins with a demonstration prompting students to consider how current generates a magnetic field and the direction of the field that is generated. Through formal lecture, students learn Biot-Savart's law in order to...
Utah State Office of Education
Utah Science: Magnetized
A unit all about magnets! Explore magnetic forces, types of magnets, and more through these informative activities.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Magnets and Electromagnets
Explore the interactions between a compass and bar magnet. Discover how to use a battery and wire to make a magnet.
National High Magnetic Field Laboratory
Magnet Academy: Making Ferrofluid
An interesting activity where students make a ferrofluid (a liquid with magnetic particles floating in it) and explore how it responds to a magnetic field. Well illustrated.
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...
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.
Exploratorium
Exploratorium: Science Snacks: Magnetic Lines of Force
In this activity discover the direction of the magnetic field by making patterns of the field visible with iron filings.
Georgia State University
Georgia State University: Hyper Physics: Magnetic Field of the Earth
This site is a description of the earth's magnetic field, including a section on the "Dynamo effect," a proposed explanation for the origin of the earth's magnetic field.
TeachEngineering
Teach Engineering: Whose Field Line Is It, Anyway?
Students teams each use a bar magnet, sheet of paper and iron shavings to reveal the field lines as they travel around a magnet. They repeat the activity with an electromagnet made by wrapping thin wire around a nail and connecting...
TeachEngineering
Teach Engineering: Magic Magnetic Fluid
Students are introduced to a unique fluid--ferrofluids--the shape of which can be influenced by magnetic fields. This activity supplements traditional magnetism activities and offers comparisons between large-scale materials and...
Georgia Department of Education
Ga Virtual Learning: Magnetism and Current Carrying Wires
In this interactive tutorial students will explore how a magnetic field affects a current-carrying wire and also how two current-carrying wires affect each other. They will learn about Biot-Savart, Ampere's Law and the magnetic field...
Science Buddies
Science Buddies: How the Strength of a Magnet Varies With Temperature
Physicists sometimes study matter under extreme conditions. For example, think of the emptiness of interstellar space vs. the unimaginable crush of pressure at the center of a neutron star, or an object dipped in liquid nitrogen vs. the...
National High Magnetic Field Laboratory
Magnet Academy: Zeeman Effect 1896
Most of us have seen the rainbow-hued breakdown of the composition of light. Light is of course a form of energy. A magnetic field changes the behavior of light- a phenomenon known as the Zeeman effect.
National High Magnetic Field Laboratory
Magnet Academy: Diamagnetism and Paramagnetism
Think iron, nickel and other "ferromagnetic" substances are the only ones with magnetic properties? In fact, everything reacts to magnetic fields in some way.
Exploratorium
Exploratorium: Science Snacks: Circles of Magnetism
Create a magnetic field that is stronger than Earth so a compass needle will orient itself to the new field in this activity.
CK-12 Foundation
Ck 12: Properties of Magnets
[Free Registration/Login may be required to access all resource tools.] Looks at magnetic materials and the structure and breadth of a magnetic field. The concept of magnetic domains is explained, and how they behave in a magnetic field....
University Corporation for Atmospheric Research
Ucar: The Sun Earth Connection: Planet Magnet
Hands-on activities help students develop an understanding of Earth's magnetic field. Students use iron filings to explore the magnetic field around a magnet, record their observations, then apply their experience with the magnet to...
Exploratorium
Exploratorium: Science Snacks: Magnetic Shielding
An activity where students test different materials to see which allow magnetic lines of force to pass through them and which block the magnetic lines of force.
TeachEngineering
Teach Engineering: Changing Fields
This lesson begins with an activity in which students induce EMF in a coil of wire using magnetic fields. Then, demonstrations on Eddy currents show how a magnetic field can slow magnets just as Eddy currents are used to slow large...