Exploratorium
Exploratorium: Science Snacks: Curie Point
Did you know that a piece of iron can lose its magnetism if heated too high? There is a point called the Curie point when iron is heated to a high enough temperature that its iron atoms are scrambled and can't line up to form a magnetic...
Open Curriculum
Open Curriculum: Electromagnetism
This article helps explain the concept of electromagnetism as well as magnetic fields and the properties of the speed of light.
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...
Nobel Media AB
The Nobel Prize: Otto Stern Biographical
This is a brief biography on the life and scientific work of Otto Stern, a physicist honored with the Nobel Prize in physics for his "development of the molecular ray method and his discovery of the magnetic moment of the proton."
CK-12 Foundation
Ck 12: Chemistry: Electrons
[Free Registration/Login may be required to access all resource tools.] Explains the determination of properties of the electron.
Khan Academy
Khan Academy: Light: Electromagnetic Waves, Electromagnetic Spectrum and Photons
This article discusses the properties of electromagnetic radiation and photons.
Curated OER
Exploratorium: Diamagnetism Push Me a Grape
An online activity which illustrates the magnetic property of diamagnetism associated with water. Contains a simple procedure and then a good explanation of the magnetic interactions that were displayed by the grapes.
Wikimedia
Wikipedia: The Black Hole
This site examines the black hole as an object in astrophysics. Delve into this comprehensive resource that covers this concept from its history, to qualitative physics, the reality of black holes, mathematical physics and more.
NASA
Nasa: Imagine the Universe: Neutron Stars and Pulsars
Discover what neutron stars and pulsars are and view pictures of them. Includes links to additional resources and lesson plans.
Florida State University
Florida State University: Molecular Expressions: The Buckyball Collection
General information of buckyballs and a description of buckyballs containing ions, called dopeyballs, which have superconducting properties. Colorful photomicrographs of fullerenes on thin films.
Florida State University
Florida State University: Light and Color: Sources of Visible Light
This site discusses primary lighting sources and gives information on the different properties and spectral characteristics of each. Also includes links to some interactive Java applets.
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.
Florida State University
Florida State University: Nature of Electromagnetic Radiation
This site from The Florida State University provides an informational page on electromagnetic radiation discusses the characteristics and properties of its many forms including X-rays, gamma rays, ultraviolet radiation, infrared...
TeachEngineering
Teach Engineering: Eat Iron?!!
To gain an understanding of mixtures and the concept of separation of mixtures, students use strong magnets to find the element of iron in iron-fortified breakfast cereal flakes. Through this activity, they see how the iron component of...
Florida State University
Florida State University: Molecular Expressions: Electromagnetic Radiation
This Florida State University page introduces light as an electromagnetic wave and discusses the frequency and wavelength range of the various regions of the electromagnetic spectrum. Includes links to some interactive Java applets.
Georgia State University
Georgia State University: Hyper Physics: The Meissner Effect
This site from the Georgia State University provides a good introduction to and illustration of the Meissner Effect, the property of a superconducting material whereby it actively excludes a magnetic field from within its interior.
CK-12 Foundation
Ck 12: Fifth Grade Science: Physical Science: Separating Mixtures
[Free Registration/Login may be required to access all resource tools.] Discusses how mixtures of solids can be separated based on observable properties of their parts such as particle size, shape, color, and magnetic attraction.
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.