CK-12 Foundation
Ck 12: First Grade Science: Gravity
[Free Registration/Login may be required to access all resource tools.] Discusses the force of gravity and how it affects our lives.
Physics Classroom
The Physics Classroom: The Apple, the Moon, and the Inverse Square Law
Describes the logic behind the development of Newton's law of universal gravitation. Beginning with Johannes Kepler and his three laws of planetary motion, content walks the reader through Newton's thought process and development of this...
Khan Academy
Khan Academy: Newton's Law of Gravitation Review
Review the key concepts, equations, and skills for Newton's law of gravity, including how to find the gravitational field strength.
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Newton's Apple
[Free Registration/Login Required] Learn about the universal law of gravity and the role Newton played in relating terrestrial and celestial mechanics to one another.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Gravity Force Lab
Manipulate the mass and distance of two objects to see how these properties change the gravity force.
Open Curriculum
Open Curriculum: Gravity
This article helps students understand and apply the concept of gravity and Newton's Laws.
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: Universal Gravitation Law
Through interactive illustrations and practice problems, students study Newton's Universal Law of Gravitation.
Khan Academy
Khan Academy: What Is Newton's First Law?
Newton's First Law also called the law of inertia is the most important thing to realize about motion. This article offers more information on motion and explains solved problems involving Newton's First Law. Also included is a video...
Khan Academy
Khan Academy: What Is Newton's Third Law?
This article offers a description and real-life examples of Newton's Third Law. Practice questions are included to test your knowledge!
Physics Classroom
The Physics Classroom: Circular and Satellite Motion: Kepler's Three Laws
Through interactive practice problems and examples, students explore Kepler's Three Laws of Planetary Motion.
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.
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.
Georgia State University
Georgia State University: Hyper Physics: Kepler's Laws
An outstanding page describing Kepler's three laws of planetary motion.
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...
Soft Schools
Soft Schools: Physics Quizzes: Newton's Three Laws
Assess your understanding of Newton's three laws of motion and the ability to distinguish between the three with this interactive multiple choice quiz. Receive immediate feedback to your answers.
Yale University
Open Yale Courses: Physics 200: Fundamentals of Physics: Kepler's Laws
This lecture explains Kepler's Three Laws of motion. Application of these laws are made to planetary movements around the sun. The lecture is available in multiple formats (audio, video, written transcript). Practice problems are also...
BBC
Bbc: Gcse Bitesize: Newton's Laws
This lesson focuses on Newton's Law for falling objects including terminal velocity, the three stages of falling, a diagram showing what happens to the speed of a skydiver from airplane to ground, velocity-time graphs for falling...
Science Struck
Science Struck: What Is Gravity and How Does It Work
A very detailed look at gravitational force and the many theories that have been put forward to try to explain it. Includes lots of illustrations.
Georgia Department of Education
Ga Virtual Learning: Ap Physics 1: Gravity
Combined with aspects of circular motion, students discover that Kepler's third law follows directly from the law of universal gravitation. This unit will expand upon the conservation of energy principle for problems beyond the confines...
Learn AP Physics
Learn Ap Physics: Physics B: Gravitation
A site dedicated to help students prepare for the AP Physics B test. This specific site reviews gravitation including Newton's Law of Gravity, orbits of planets and satellites, and Kepler's three laws. Site contains links to video...
CK-12 Foundation
Ck 12: Kindergarten Science
[Free Registration/Login may be required to access all resource tools.] A science text for kindergarten that covers the weather and gravity.
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...