National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1850 1869
The Industrial Revolution is in full force, Gramme invents his dynamo and James Clerk Maxwell formulates his series of equations on electrodynamics.
National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1840 1849
The legendary Faraday forges on with his prolific research and the telegraph reaches a milestone when a message is sent between Washington, DC, and Baltimore, MD.
National High Magnetic Field Laboratory
Magnet Academy: Timeline of Electricity and Magnetism: 1940 1959
Defense-related research leads to the computer, the world enters the atomic age and TV conquers America.
National High Magnetic Field Laboratory
Magnet Academy: Theodore Maiman
Theodore Maiman built the world's first operable laser. Ironically, Maiman's first paper announcing this momentous achievement, which many other scientists had been racing to complete themselves, was rejected. Since then, however, lasers...
Open Curriculum
Open Curriculum: Relativity and Magnetism
Understand and learn about the properties of space and time and the concept of relativity.
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Mineral Identification
At this site you can identify minerals by observing and testing the physical properties of each mineral. A mineral worksheet and mineral background sheet are included in this site.
Khan Academy
Khan Academy: Force Over Distance
Can you think of an experiment that would let you see how magnetic force depends on distance?
Khan Academy
Khan Academy: Right Hand Rule
Learn the convention for describing the direction of magnetic fields. Challenge questions are included.
Nobel Media AB
The Nobel Prize: Robert Hofstadter Biographical
Official Nobel Institute biography of Hofstadter. Very little personal information. Lots and lots of science work, description, etc.
Curated OER
Science Kids: Science Images: Magnet Poles
This photo clearly shows that like poles of a magnet repel each other. This effect can be quite strong. In this image, as a child holds down the top magnet down with their fingers, it looks like the top magnet is floating due to the...
Curated OER
Science Kids: Science Images: Iron Filings Magnetic Field
Iron filings are used in this picture to show the path of magnetic field lines created by a magnet.
Curated OER
Science Kids: Science Images: Powder Steel Magnet
This spectacular photo shows an interesting formation created by powder steel on a magnet. The powder steel forms spikes pointing in all directions away from the end of the magnet.
Khan Academy
Khan Academy: Resonance in a Tube
Read the passage "Resonance in a Tube" and complete the five-question quiz to test your knowledge of sound.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Electromagnets (Grades 3 and 4)
This lesson helps students to understand the difference between magenets and electromagnets. They will also create an electromagnet.
ClassFlow
Class Flow: Electricity
[Free Registration/Login Required] Students can use this Flipchart to learn and apply Ohm's law to basic circuitry problems. Students are introduced to the relationship among voltage, current, and resistance, and then apply their newly...
Khan Academy
Khan Academy: Light: Electromagnetic Waves, Electromagnetic Spectrum and Photons
This article discusses the properties of electromagnetic radiation and photons.
Khan Academy
Khan Academy: What Is Faraday's Law?
Do you know how to induce an electromotive force? This reference page will help you understand why Faraday's law mean and how to use it.