University of Colorado
University of Colorado: Physics 2000: Quantum Atom
Several pages with an interesting discussion of the visible light spectrum and atomic absorption and emission line spectrum. Features excellent graphics, thorough and understandable discussion, and many interactive Java applets.
Science Education Resource Center at Carleton College
Serc: Constructing a Projectile Launcher and Free Falling Target
Implement the classic physics demonstration "the monkey and the hunter" using this description of a projectile launcher and a target that begins to fall at the same time the projectile is launched. The completed project is a spectacular...
Exploratorium
Exploratorium: Pinhole Magnifier
For elementary students, this would be a great demonstration on properties of light and optics. For middle school and high school, this would be a great start to a lab but needs experimentation. Site by Exploratorium.
Other
Arbor Scientific: Haunted Laboratory: Halloween Physics
This resource presents a collection of experiments for the science classroom that focuses on physics concepts for Halloween. Activities include mirror ghost with a concave mirror, apple oscillators with pendulums, and a pumpkin pendulum....
Museum of Science
The Atom's Family: Fruity Electricity
Frankenstein's electricity is out. In this activity, students help him find another source of energy using citrus fruit. Good for students who want to do their own projects or for class lessons.
Davidson College
Davidson College: Hooke's Law
This site provides a java applet that lets you manipulate this experiment and evaluate the results. Good way to help you understand Hooke's Law of elasticity.
Physics Central
Physics Central: Physics by the Fire: Match Stick Rocket
Match stick rockets makes a great demonstrations to show students Newton's third law. By covering a match with tin foil, students can see the reaction thrust as the molecules escaping the matchstick are propelled into the air. Lesson...
Physics Central
Physics Central: Physics in the Kitchen: The Magical Can Crusher
Students will see first hand the force that is created by pressure as a can crushes before their eyes. This demonstration will show students how a can will collapse due to pressure from the air outside pushing against the can's exterior...
NC State University
Pira Demonstration Catalog: Speed of Light
A series of short descriptions of possible physics demonstrations for illustrating or measuring the speed of light. Suitable as a supplement to a teacher lesson plan or as an idea-generator for student projects.
Boston University
Modern Physics: Photoelectric Effect Demonstration
A graphical and verbal description of a demonstration which illustrates the phtoelectric effect. Directions, safety precautions, and explanations are provided. Ideally suited as an idea-generator for a student project or lab investigation.
Boston University
Optics Demonstrations: Holograms
A short description of a demonstration involving a hologram. Suitable as a supplement for a teacher lesson plan or as an idea-generator for a student project.
Boston University
Bu: Optics Demonstrations: Diffraction
Short descriptions and graphics of three demonstrations which illustrate the diffraction phenomenon. Suitable as a supplement for a teacher lesson plan or as an idea-generator for a student project.