Texas Education Agency
Texas Gateway: Gravitational Force
[Accessible by TX Educators. Free Registration/Login Required] This resource provides flexible alternate or additional learning activities for students learning about the gravitational attraction between objects of different masses at...
CK-12 Foundation
Ck 12: Universal Law of Gravity
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will learn to describe and calculate how the magnitude of the gravitational force between two objects depends on their masses and...
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.
The Wonder of Science
The Wonder of Science: 5 Ps2 1: Earth's Gravitational Force
Create lessons on Earth's gravitational force with this site that includes work samples, phenomena, assessment templates, and videos.
Physics Aviary
Physics Aviary: Practice Problems: Gravitational Force on a Kuiper Belt Object
Students must find out the strength of the gravitational force on a ship that is at rest on a Kuiper Belt Object (KBO).
Physics Aviary
Physics Aviary: Practice Problems: Gravitational Force on Satellite
Students must find out the strength of the gravitational force that acting on a satellite at a certain distance from a body's surface.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Gravity and Orbits
Move the sun, earth, moon, and space station to see how it affects their gravitational forces and orbital paths. Visualize the sizes and distances between different heavenly bodies, and turn off gravity to see what would happen without it.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Gravity Force Lab
An interactive simulation that teaches about gravitational force, Newton's Third Law, and force pairs by varying properties affect the gravitational force exerted between two objects. This simulation can either be downloaded or played...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Gravity and Orbits
An interactive simulation that teaches about gravitational force, circular motion, and astronomy by manipulating the sun, earth, moon, and a space station to observe the effects of gravity and orbital paths. This simulation can either be...
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.
eSchool Today
E School Today: All About Forces
Forces are everywhere. Learn what they are, the characteristics of forces, different kinds of forces, and factors that affect them.
CK-12 Foundation
Ck 12: Fifth Grade Science: Earth Science: Gravity
Do you know how gravity affects you? This module defines gravity and explains how gravity affects the motion of objects.
Physics Aviary
Physics Aviary: Practice Problems: Universal Gravity Problem
Students must find out the strength of the gravitational force between two spherical objects based on the size, density and distance between centers.
CK-12 Foundation
Ck 12: Universal Law of Gravity
[Free Registration/Login may be required to access all resource tools.] Using Newton's Law of Gravity and the equations of uniform circular motion, students solve problems involving the force of gravity.
Sophia Learning
Sophia: Gravitational Force & Newton's Second Law of Motion
This lesson explains how gravitational force is related to free fall, acceleration due to gravity, and Newton's second law of motion.
Soft Schools
Soft Schools: Physics Quizzes: Universal Gravitation
Assess your understanding of Newton's Universal Law of Gravitation with this interactive multiple choice quiz. Immediate feedback is provided.
Utah Education Network
Uen: Gravity: Head for the Hills
Using this interactive resource will involve making predictions about the effects of gravity in different conditions.
Texas Education Agency
Texas Gateway: Ap Physics: Gravitational Potential Energy
By the end of this section, you will be able to explain gravitational potential energy in terms of work done against gravity, show that the gravitational potential energy of an object of mass m at height h on Earth is given by PEg = mgh,...
TED Talks
Ted: Ted Ed: How to Think About Gravity
Video describes what gravity is and how it operates between two masses. Followed by a short quiz and a list of additional resources to explore. [4:44]
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.
Cosmos 4 kids
Cosmos4 Kids: Force of Gravity
Learn about the force of gravity in this article. Also, view a video that shows angry birds and pigs go weightless!
Science Education Resource Center at Carleton College
Serc: Exploring Magnetism: Investigating the Forces of Magnets
Students describe and create an experiment to prove that like poles of magnets repel each other while opposite poles attract. Using the experiment, they use the data to support the claim that the repelling force is stronger than the...
Physics4kids
Physics4 kids.com: Forces of Attraction
Several diagrams provide explanations of planetary gravity as well as the gravity that exists between all objects.
Georgia Department of Education
Ga Virtual Learning: Physical Science: Force and Motion
In this student-paced module, students apply Newton's Laws of Motion to everyday life, calculate mathematical relationships involving force and motion using algebraic formulas, and understand the difference between mass and weight.