Wolfram Research
Wolfram Science World: Huygens, Christiaan
This ScienceWorld site provides a short biographical sketch of Christiaan Huygens and describes his most notable scientific discoveries and contributions. Links are provided throughout for additional information as well.
Physics Aviary
Physics Aviary: Millikan Oil Drop Lab
This lab is designed to have students determine the charge on a series of oil drops that are suspended in an electric field. Students will measure the size of the drop in an effort to determine the force gravity on the drop. They will...
Khan Academy
Khan Academy: What Is Weight?
This article on weight will help you prepare for the AP Physics test. Included are example problems to help you practice.
Math Science Nucleus
I. Science Ma Te: Integrating Science, Math and Technology
This site offers a wealth of online textbook-related materials that encourage the discovery of science in the world around us. Enter the site to access material on specific topics. Each section contains reading material (complete with...
Curated OER
Hyper Physics: Earth Orbits
An equation for the law of universal gravitation is stated. The weight equation (W=m*g) is related to the law. An interactive Javascript form allows the user to practice determining the force of gravity and the acceleration of gravity...
Curated OER
Hyper Physics: Earth Orbits
An equation for the law of universal gravitation is stated. The weight equation (W=m*g) is related to the law. An interactive Javascript form allows the user to practice determining the force of gravity and the acceleration of gravity...
Science Education Resource Center at Carleton College
Serc: Projectile and Satellite Orbits
This activity introduces gravity and Kepler's Laws and helps to develop an understanding of gravitational force, satellite orbits, and their dependence on the initial velocity.
TeachEngineering
Teach Engineering: Blow and Go Parachute
Students make a skydiver and parachute contraption to demonstrate how drag caused by air resistance slows the descent of skydivers as they travel back to Earth. Gravity pulls the skydiver toward the Earth, while the air trapped by the...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Sliding Down an Incline Plane
Here is a simulation demonstrating an object placed on an inclined plane. The user will vary the slope of the plane to see the relationship the slope has on the gravity of the object and the static friction.
TeachEngineering
Teach Engineering: What Makes Airplanes Fly?
Students begin to explore the idea of a force. To further their understanding of drag, gravity and weight, they conduct activities that model the behavior of parachutes and helicopters. An associated literacy activity engages the class...
Lawrence Berkeley National Laboratory
Berkeley Lab: La Aventura De Las Particulas
Learn the fundamentals of particles and forces with this site. Explore the paths that explain matter in the universe.
Physics Classroom
The Physics Classroom: Circular Motion Principles for Satellites
From The Physics Classroom. Uses easy- to-understand language to discuss how circular motion principles apply to the motion of satellites. Describes the tangential velocity and centripetal acceleration of a satellite. Includes many...
Bill Nye
Bill Nye: Penny Droplets
This tutorial by Bill Nye introduces the concept of a cohesive force through an experiment involving a penny and droplets of soapy water.
Physics Classroom
The Physics Classroom: 1 D Kinematics: The Big Misconception
An introduction to the ideas behind the misconception and misunderstanding of why all objects accelerate at the same rate. This explanation involves the concepts of force and mass.
Physics Classroom
The Physics Classroom: Static Electricity: Lesson 3: Inverse Square Law
Electrical force between two electrically charged objects is inversely related to the distance between the two objects. Investigate why this becomes the inverse square law of physics. Engage in the Coulomb's Law interactive and check...
CK-12 Foundation
Ck 12: Interactive Physics for High School
This digital textbook covers core physics concepts and includes interactive features, real world examples, videos, and study guides.
Cosmo Learning
Cosmo Learning: Physics in Primary Schools
A collection of video lectures created by University of Sheffield to excite young students about topics in physics in elementary school. The course covers topics like forces, gravity, magnets, sound, light, space travel, and the solar...
MadSci Network
Mad Scientist: Why High Tide Away From the Moon or Sun?
An excellent and thorough answer to the often asked question about high tide "bulges" on the side of Earth facing away from the Moon or Sun.
Treehut
Suzy's World: Black Holes
Use this site to find out what is a black hole in space and try an experiment.
TeachEngineering
Teach Engineering: Dams
Through eight lessons, students are introduced to many facets of dams, including their basic components, the common types (all designed to resist strong forces), their primary benefits (electricity generation, water supply, flood...
Other
Gyroscopes.org: Gyrosopic Propulsion
This site explores the speculative concept of gyroscope propulsion, including a description of force precessed gyroscopes. This research could theoretically lead to the development of new engines and thrust devices.
Concord Consortium
The Concord Consortium: Molecular Workbench: A Pendulum
Change the mass of a suspended object to see how its movement and forces are affected by gravity.
Cosmo Learning
Cosmo Learning: Ocean Currents
The atmosphere forces the ocean in three ways: addition and removal of heat, precipitation and evaporation, and wind stress. The former two processes influence the density of sea water. Gravity acts on these density differences to cause...
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