E-learning for Kids
E Learning for Kids: Science: Indian Ocean: What Kind of Natural Forces Do We Recognize?
Learn about forces (push or pull), gravity, and friction in this module by training dolphins.
Khan Academy
Khan Academy: Modeling Gravity and Friction
Application of Newton's Law of force and gravity to computer graphic programming.
Physics Classroom
The Physics Classroom: Circular and Satellite Motion: Gravity More Than a Name
This tutorial is intended for students to strengthen their understanding of gravitation and understand the nature of this force.
American Museum of Natural History
American Museum of Natural History: Ology: Gravity
Flip the card, and learn about gravity.
Georgia State University
Georgia State University: 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
Fermi Laboratory:how Strong Is the Strong Force?
Use this site to learn about the four forces of nature. Also learn what determines the strength of a force. This question and answer site is a link of the Fermi National Accelerator Laboratory.
TeachEngineering
Teach Engineering: Natural Disasters
Students are introduced to our planet's structure and its dynamic system of natural forces through an examination of the natural hazards of earthquakes, volcanoes, landslides, tsunamis, floods and tornados, as well as avalanches, fires,...
Georgia State University
Georgia State University: Hyper Physics: Gravity
Gravity as a fundamental force is explained and an equation for universal gravitation is given.
Khan Academy
Khan Academy: Particle Systems With Forces
Applying the forces of wind and/or gravity to a particle system so that the system can apply force to all individual particles. In addition, adding a repeller where all the force vectors have a different direction is illustrated.
Khan Academy
Khan Academy: Spring Forces
Creating a simulation of a bob hanging from a spring in a two-dimensional space that responds to other forces in the environment (wind, gravity, etc.)
Exploratorium
Exploratorium: Science Snacks: Take It From the Top
Students defy gravity by stacking blocks in different ways in this exercise. Other projects are linked to this lesson as well.
Exploratorium
Exploratorium: Structures Around the World
How does that bridge stay up? What are the forces acting on that column? This site helps students understand how structures can be built by having them build their own. Also provides images of real structures for kids to compare with...
Khan Academy
Khan Academy: Gravitational Attraction
Applies Newton's concept of gravity to computer graphic programming.
Lawrence Berkeley National Laboratory
Berkeley Lab: Four Fundamental Interactions
Discussion of the four fundamental forces of nature: strong interactions, weak interactions, gravity, and electromagnetism.
NASA
Nasa: Newton's Theory of "Universal Gravitation"
This site, which is provided for by NASA, discusses the thinking which led Newton to understand universal gravitation.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Measuring the Gravitational Constant, G
A demonstration/lab idea for determining the numerical value of the universal gravitation constant using a torsion balance.
Physics Classroom
The Physics Classroom: Newton's Law of Universal Gravitation
States the equation of Newton's law of universal gravitation. States the value of G and uses the equation to solve problems.
TeachEngineering
Teach Engineering: Mechanics Mania
Through ten lessons and numerous activities, students explore the natural universal rules engineers and physicists use to understand how things move and stay still. Together, these rules are called "mechanics." The study of mechanics is...
University of St. Andrews (UK)
University of St. Andrews: Orbits and Gravitation
A page describing the physics, mathematics, and historical figures associated with planetary motion, satellite motion, and universal gravitation.
NASA
Nasa: Kepler and His Laws
This site from NASA provides biographical details about the lives of Tycho Brahe and Johannes Kepler. Discusses Kepler's successes at developing laws of planeatry motion. States the three laws and discusses each one individually....
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...
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.