NASA
Nasa: Beginner's Guide to Aerodynamics
Includes exhaustive information and a wealth of activities pertaining to aerodynamics and the physics of flight.
Wikimedia
Wikipedia: Centrifuge
Wikipedia provides detailed information and history on centrifuges in scientific research and industry, including its importance in making nuclear weapons.
Woods Hole Oceanographic Institution
Whoi: What Causes Tides?
The Woods Hole Oceanographic Institute provides an in-depth but easy to read article on the role of the moon and the sun in respect to tides.
Concord Consortium
The Concord Consortium: Molecular Workbench: Freefall 3 D
Change variables to see how an object reacts to freefall in a 3D environment.
Physics Classroom
The Physics Classroom: Newton's Laws: Elevator Ride Interactive
Have you ever felt that queasy feeling in a moving elevator? Explore the physics behind the sensations of weightlessness and weightiness. Teacher notes and a downloadable handout are also provided.
Physics Classroom
The Physics Classroom: Circular and Satellite Motion: Weightlessness in Orbit
Through illustrated examples and practice problems, this interactive physics tutorial helps students clear up their possible misconceptions about weightlessness.
Ambleside Church of England Primary School
Ambleside c.e. Primary School: Your Weight on Other Planets
Students enter their weight here on Earth, and find out how much they would weigh on the moon and other planets.
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.
CK-12 Foundation
Ck 12: Third Grade Science
This customizable digital textbook covers topics related to third-grade science. It is Next Generation Science Standards (NGSS) aligned.
PBS
Pbs Learning Media: Newton's Third Law: Action Reaction
An early astronaut's experiences teach students that Newton's third law of motion-for every action, there is an equal and opposite reaction-applies both on Earth and in outer space.
NASA
Nasa: The Rocket Motor
An online version of a book pertaining to task of launching rockets into space and subsequently navigating them through space. The first several "chapters" (pages) describe the influence of gravity on Earth and the barriers which it...
PBS
Pbs Teachers: Balancing Balls on Air
Investigate how the force of moving air from a blow dryer interacts with the force of gravity to keep a ping-pong ball perfectly balanced in midair.
Other
Wikibooks: Physics Study Guide
A handy resource that gives an overview of equations and definitions pertinent to an introductory, college-level physics course, with two of its three sections focusing on motion-related topics and principles.
Curated OER
Hyper Physics: Gravity
Gravity as a fundamental force is explained and an equation for universal gravitation is given.
Curated OER
Hyper Physics: Gravity
Gravity as a fundamental force is explained and an equation for universal gravitation is given.
Curated OER
Hyper Physics: Gravity
Gravity as a fundamental force is explained and an equation for universal gravitation is given.
Physics Classroom
The Physics Classroom: Satellite Motion
An animation depicting the path of projectiles launched at various launch speeds from the fictional Newton's Mountain. Accompanying text discusses satellite motion and the requirements of orbital motion. Links to further information is...
Math Is Fun
Math Is Fun: Apparent Weight
Apparent weight is explored in this tutorial. Definitions and examples are provided.
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...
Physics Classroom
The Physics Classroom: Kepler's Three Laws
The three laws of planetary motion as described by Kepler are stated and elaborated upon. Useful graphics and an easy-to-understand language are used to explain the nature of planetary motion. Both conceptual and mathematical. Includes a...
The Wonder of Science
The Wonder of Science: Ms Ps2 4: Gravitational Interactions
Help plan lessons that will facilitate middle schoolers learning about interaction of objects due to the gravitational interactions that are attractive and depend on the masses. Included on site are work samples, phenomena, assessment...
PBS
Pbs Teachers: Submarine Race Experiment
Balance the force of gravity with the force of the expanding gasses created by mixing baking soda and vinegar. Create a soda bottle submarine that sinks to the bottom of the bathtub and then rises back to the surface.
Concord Consortium
The Concord Consortium: Molecular Workbench: A Suspended Rope
Adjust the elasticity and mass of a rope suspended between two points to see how it will be affected by gravity.
ClassFlow
Class Flow: Simple Machines Quiz
[Free Registration/Login Required] This flipchart consists of a humorous quiz on identifying simple machines and forces of motion such as gravity and inertia.