Curated OER
Hyper Physics: Gravity
Gravity as a fundamental force is explained and an equation for universal gravitation is given.
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...
University of Minnesota
The Physics of Flight: Bernoulli's Principle
Discusses air flow around the wing of a plane and its effect upon the lift and drag forces. Focuses on the application of Bernoulli's principle to wing design and the subsequent airfoil shapes.
NASA
Nasa: Kepler's Third Law
This site from NASA states Kepler's third law of motion and extends it to develop an equation for the velocity of an orbiting planet.
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.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Paper Mache Solar System
This site from the Illinois Institute of Technology provides a set of directions for the creation of a solar system model out of paper mache. Includes orbital distances and planet diameters for the nine planets. Great idea for a student...
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 Classroom
The Physics Classroom: Kepler's Second Law
Kepler's second law of planetary motion is stated and explained. An animation of the orbit of a planet and an accompanying graphic assists in explaining the meaning of the law of equal areas.
PBS
Pbs Learning Media: Spin a Spiral Galaxy
This interactive activity from NOVA Online lets you spin a spiral galaxy, including our own Milky Way. It demonstrates that what you can learn from visible light observations of a galaxy is largely determined by the angle from which you...
NASA
Nasa: Rockets Educator Guide: Newton Car
This lesson gives students direction on how to experiment using gravity and force. Students will make a wooden car and use different forces to make the car propel.
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...
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.
Science Struck
Science Struck: A Comprehensive List of All the Physics Formulas
Provides a long list of physics formulas for easy reference.
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.
Encyclopedia of Earth
Encyclopedia of Earth: Solar Radiation
Almost all of the energy that drives the various systems (climate systems, ecosystems, hydrologic systems, etc.) found on the Earth originates from the sun. Solar energy is created at the core of the sun when hydrogen atoms are fused...
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...