Science4Fun
Science4 Fun: Gravity
Peruse this resource to learn about gravity, its importance, the Universal Law of Gravitation, the difference between mass and weight, and more fun facts.
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.
CK-12 Foundation
Ck 12: Plix: Gravity in the Solar System
[Free Registration/Login Required] Test your knowledge of Newton's Law of Universal Gravitation with an animation and a short quiz.
Texas Instruments
Texas Instruments: How Can a Clock Part Measure Gravity?
In this activity students will learn how to make a simple pendulum. Students' will use a motion detector to measure the period of a pendulum and calculate its acceleration.They will also understand the effect that gravity has on the...
Science Education Resource Center at Carleton College
Serc: Using Microsoft Excel to Explore Gravity Forces and Accelerations
Students will learn about the force of gravity and the factors that affect it, and use and analyze the universal gravitation equation using Excel spreadsheets.
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: The Inverse Square Law
Through illustrated examples and interactive practice, students explore Newton's ability to relate the cause for heavenly motion (the orbit of the moon about the earth) to the cause for Earthly motion (the falling of an apple to the...
Georgia State University
Georgia State University: Hyper Physics: Gravity
Gravity as a fundamental force is explained and an equation for universal gravitation is given.
Cornell University
Cornell University: Astronomy: Orbital Motion and Kepler's Laws
At this site from the Astronomy Department of Cornell University, Kepler's three laws of planetary motion are stated. There are brief explanations of each, along with links to additional information on related subjects.
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.
NASA
Nasa: Kepler's Second Law
This site from NASA states Kepler's second law of planetary motion and depicts its meaning with an informative diagram. Relates the law to conservation of energy principles and discusses the eccentricity of a satellite's (or a planet's)...
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.
Physics4kids
Physics 4 Kids: Laws of Motion Quiz
Take this ten question multiple choice quiz on laws of motion.
CK-12 Foundation
Ck 12: Physics: Gravitation Study Guide
This study guide on gravitation covers some key vocabulary, Kepler's Laws of Planetary Motion, and orbiting bodies or satellites. Includes important equations. It is available for download with free registration.
TED Talks
Ted: Ted Ed: Would You Weigh Less in an Elevator?
Video that uses an elevator in motion to describe the relationship among weight, gravity, and relative motion. [3:36] Includes a short quiz and a list of additional resources to explore.
TeachEngineering
Teach Engineering: Flying With Style
As students begin to understand the physics behind thrust, drag, and gravity and how these relate these to Newton's three laws of motion, groups assemble and launch the rockets that they designed in the associated lesson.
South Carolina Educational Television
Etv: The Hobby Shop: The Rocket
Design your own virtual rocket, and then test launch it. Watch tutorials about Newton's laws of motion and rocket basics to help you improve your rocket's performance.
Exploratorium
Exploratorium: Your Weight on Other Worlds
From the Exploratorium Museum. Includes an interactive feature in which a visitor enters their weight on earth and has their weight on other planets computed and displayed. Discusses the distinction between mass and weight and describes...
TeachEngineering
Teach Engineering: The Science of Swinging
Learners learn what a pendulum is and how it works in the context of amusement park rides. While exploring the physics of pendulums, they are also introduced to Newton's first law of motion - about continuous motion and inertia.
Exploratorium
Exploratorium: Science Snacks: Physics/mechanics (Force and Motion)
A collection of mechanics activities. Many pertain to Newton's laws of motion. Step-by-step directions provided with illustrations. Great for teacher demos or student projects.
Science Buddies
Science Buddies: Distance and Speed of Rolling Objects
This project is an experiment in classical physics. You'll be following in Galileo's footsteps, and investigating Newton's laws of motion, but you'll be taking advantage of modern video recording technology to make your measurements. The...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Remarkable Three Body Motions
What happens in space when a third celestial body joins two others? Discover both simple and complex situations which occur supporting Newtonian law in space with this collection of applets.
TeachEngineering
Teach Engineering: Sliding Textbooks
In this culminating activity of the unit which highlights how forces play a role in engineering design and material choices, students explore and apply their knowledge of forces, friction, acceleration, and gravity in a two-part experiment.
TeachEngineering
Teach Engineering: Rocket Me Into Space
One of the exciting challenges for engineers is the idea of exploration. This lesson looks more closely at Spaceman Rohan, Spacewoman Tess, their daughter Maya, and their challenges with getting to space, setting up satellites, and...