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.
SMART Technologies
Smart: May the Forces of Push and Pull Be With You!
Read, brainstorm, drag objects, erase to reveal answers, and move weights on a balance scale to learn about forces, mass, gravity, weight, and balance in this activity created by SMART.
TeachEngineering
Teach Engineering: Water and Dams in Today's World
Students learn about the importance of dams by watching a video that presents historical and current information on dams, as well as descriptions of global water resources and the hydrologic cycle. Students also learn about different...
Ducksters
Ducksters: Physics for Kids: Motion Glossary and Terms
Kids learn about glossary and terms in the science of physics and motion. Definitions for words such as momentum, force, work, energy, gravity, scalar, vector, power, and more.
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....
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...
Georgia State University
Georgia State University: Hyper Physics: Gravity
Gravity as a fundamental force is explained and an equation for universal gravitation is given.
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.
Physics Classroom
The Physics Classroom: Cavendish and the Value of G
A short description of how Cavendish measured the value of G - the universal gravitation constant and supported Newton's theory. Illustrated.
Curated OER
Zona Land: Mechanics and Vectors
An exceptional tutorial on the topic of vectors that offers many helpful graphics, some of which are interactive.
Khan Academy
Khan Academy: Gravitational Attraction
Applies Newton's concept of gravity to computer graphic programming.
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.
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.
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...
PBS
Pbs Learning Media: Why Doesn't the Moon Fall Down?
In this animated video segment adapted from NASA, astronomer Doris Daou explains how the forces of speed and gravity keep the moon in a constant orbit around Earth. [1:36]
Science Buddies
Science Buddies: Tightening the Turns in Speed Skating
Fast turns around the track can become your laboratory tests in these experiments, whether you skate on ice, wood, or pavement. The goal is to determine which type of turns are best in a race - tight, medium, or wide - and then to figure...
TeachEngineering
Teach Engineering: The Claw
Students learn about gear ratios and power by operating toy mechanical cranes of differing gear ratios. They attempt to pick up objects with various masses to witness how much power must be applied to the system to oppose the force of...
TeachEngineering
Teach Engineering: Dams
Through eight lessons, students are introduced to many facets of dams, including their basic components, the common types (all designed to resist strong forces), their primary benefits (electricity generation, water supply, flood...
Other
Easyphysics: Chapter 5 Motion in Two Dimensions
Learners investigate motion in two dimensions. Some topics examined are two dimensional forces, gravity, and forces in three directions. The resource includes example problems with solutions and a chapter quiz.
Other
Center for Education Partnerships: The Marble Roll
In this Science-athon, students try to make their marble roll the farthest across a flat surface, using their knowledge of forces, motion, and energy to guide them through their apparatus design. Teachers must enroll online.
Science Education Resource Center at Carleton College
Serc: Egg Drop
In this physics lab, learners build a container to safely deliver two eggs from the top of the school. Students calculate average velocity, acceleration, momentum, and the amount of force as it hits the ground. If their egg breaks, they...
Ducksters
Ducksters: Physics for Kids: Gravity
Kids learn about the science behind gravity, the mysterious force of planet earth including why it is important, what is weight, and fun facts. What is gravity?
Mocomi & Anibrain Digital Technologies
Mocomi: What Is Gravity?
Investigate what keeps us grounded and who spent a lot of time studying its details. How does gravity impact plant growth?
University of Virginia
Uva Physics: Using Vectors to Describe Motion
Background information on vectors and their use in describing motion in two dimensions. A comparison of Aristotle's and Galileo's perspectives on force and motion is given.