Other
Physics.org: Frogs Levitate in a Strong Enough Magnetic Field
Captivating information about how frogs can levitate in magnetic fields. Easy to understand, it also explains how the Earth's magnetic field is produced.
CK-12 Foundation
Ck 12: Earth Science: Earth's Magnetic Field
[Free Registration/Login may be required to access all resource tools.] Examines Earth's magnetic field.
Nine Planets
The Nine Planets: Earth Facts
Find lots of information about our planet Earth here. Covers basic facts, Earth's history, layers of the Earth, plate tectonics, composition of the atmosphere, Earth's magnetic field, and some facts about our moon.
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: Physics Simulation: Field Lines
[Free Registration/Login Required] Understand the size and shape of the Earth's magnetic fields, explore the magnetic fields of other planets using this interactive simulation. A PDF worksheet and a video tutorial are also available. [2:35]
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...
University Corporation for Atmospheric Research
Ucar: The Sun Earth Connection: Exploring the Dynamic Nature of the Sun
The unit contains lessons and a presentation that allow students to explore the Sun through images and investigate how magnetism from the Sun interacts with the Earth's magnetic field during space weather events.
CK-12 Foundation
Ck 12: Earth Science: Earth's Shape and Magnetic Field Study Guide
This comprehensive study guide covers the main terms and concepts needed for an earth science unit on the earth's shape and magnetic field. Review questions are included at the bottom of the study guide.
University Corporation for Atmospheric Research
Ucar: The Sun Earth Connection: The Magnetic Sun
Students will build a simple version of a magnetometer and use it to discover the types of areas of the Sun that have very strong magnetic fields. Students will then describe what the types of features associated with the Sun's strongest...
Khan Academy
Khan Academy: Measure the Earth's Field!
You can use a bar magnet and a compass to get a rough idea of the strength of Earth's magnetic field. Read this article to find out how!
PBS
Pbs: Magnetic Storm
The purpose, life, and hazards of the Earth's magnetic field are discussed as they relate to magnetic storms. This includes their impact on animals, auroras, and even compasses. Interactive features are also included in this...
University Corporation for Atmospheric Research
Ucar: The Sun Earth Connection: Planet Magnet
Hands-on activities help learners 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...
CK-12 Foundation
Ck 12: Plix: Compass Poles: Earth's Magnetic Field
[Free Registration/Login Required] A site containing an animation of a compass and a short quiz over the topic.
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.
Smithsonian Institution
Smithsonian: This Magnetic Map Shows Earth as You've Never Seen It Before
This article discusses a map generated by the European Space Agency's Swarm mission that depicts Earth's magnetic field using satellites to measure magnetism. The map reveals magnetic stripes and magnetic anomalies. The article includes...
Physics4kids
Physics4 Kids: Electricity and Magnetism: Magnetic Fields
Explains magnetic fields, how they differ from electric fields, and attraction and repulsion.
NASA
Nasa: Image Science Center: Soda Bottle Magnetometer
Help students explore Earth's magnetic field with this soda bottle magnetometer activity. Follow links to other space projects for the classroom.
National Geographic
National Geographic: Build a Magnetometer
Hands-on project where the learner constructs a magnetometer to monitor and measure changes in earth's magnetic field. These changes can then be used to track solar storms.
Khan Academy
Khan Academy: Earth's Magnetic Shield Quiz
Try this quiz about Earth's magnetic shield.
Other
Impact Tectonics: Earth's Interior, Gravity, and Magnetism [Pdf]
Topics covered in this slideshow include the Earth's interior, seismic S- and P-waves, the crust and mantle, phase boundaries encountered by seismic waves, the Earth's internal heat, gravity and density, gravitational anomalies, the...
University Corporation for Atmospheric Research
Ucar: Planet Magnet
Students use iron filings to explore the magnetic field around a magnet and record their observations then apply their experience with the magnet to understand the magnetic field around Earth.
CK-12 Foundation
Ck 12: Physical Science: Earth as a Magnet
[Free Registration/Login may be required to access all resource tools.] Explains how Earth is a magnet, its geographic and magnetic poles, and its magnetic field.
National High Magnetic Field Laboratory
Magnet Academy: Anders Celsius
Anders Celsius is most familiar as the inventor of the temperature scale that bears his name. The Swedish astronomer, however, also is notable as the first person to make a connection between the radiant atmospheric phenomenon known as...
Woods Hole Oceanographic Institution
Woods Hole Oceanography Institute: Hot Topics: Seafloor Magnetics
The earth's magnetic poles have reversed themselves throughout the earth's history. Find out how scientists know that this happened.