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.
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.
Scholastic
Scholastic: Study Jams! Science: Our Solar System: Gravity & Inertia
A video and a short multiple-choice quiz on the topic of gravity and inertia, and how they work together to keep objects from floating off into space.
E-learning for Kids
E Learning for Kids: Science: Pirates: What Are Some Forces Around Us?
Covers the meanings of force, friction, and gravity, and the differences between magnetic and elastic spring force, and between weight and mass. The effect of air resistance on an object's motion is also touched upon.
The Wonder of Science
The Wonder of Science: Ms Ps2 4: Gravitational Interactions
Help plan lessons that will facilitate middle schoolers learning about interaction of objects due to the gravitational interactions that are attractive and depend on the masses. Included on site are work samples, phenomena, assessment...
BBC
Bbc: Gcse Bitesize: The Life Cycle of a Star
This lesson focuses on the formation and life cycle of stars. Stars form when enough dust and gas clump together because of gravitational forces. Nuclear reactions release energy to keep the star hot. Some stars grow larger over time....
Khan Academy
Khan Academy: Gravitational Attraction
Applies Newton's concept of gravity to computer graphic programming.
TED Talks
Ted: Ted Ed: Gravity and the Human Body
Our bodies function necessarily under the presence of gravity; how blood pumps, a sense of balance and bone growth are all due to life in a world where gravity is an inescapable reality. Armed with experiments from neuroscientists David...
ABCya
Ab Cya: Gravity Run
Gravity Run is a fast-paced running game that will keep you on your toes! Tap or click to flip the gravitational pull and you'll find yourself upside down! Can you complete all 18 levels?
Open Curriculum
Open Curriculum: Gravity
This article helps students understand and apply the concept of gravity and Newton's Laws.
Utah Education Network
Uen: Mr. And Miss Big Feet
Gravity is affected by the magnitude or size of the gravitational force between two objects and the masses and distance between them.
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?
BBC
Bbc: Gcse Bitesize: Mass, Weight and Gravitational Field Strength
This lesson focuses on gravitational fields and includes what one is, the formula for gravity force, defining weight, formula for mass, an example of how to calculate gravity force, a practice question, and a link to a test.
Physics Aviary
Physics Aviary: Universal Gravity Lab
This lab was designed to allow students to collect data for the force between two objects in deep space. The students are transported by TARDIS to deep space and can use force probes to measure the pull between two objects. Students can...
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.
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...
Texas Education Agency
Texas Gateway: Uniform Circular Motion and Gravitation: Centripetal Forces
By the end of this section, you will be able to calculate coefficient of friction on a car tire and to calculate ideal speed and angle of a car on a turn.
Georgia State University
Georgia State University: Hyper Physics: Gravity
Gravity as a fundamental force is explained and an equation for universal gravitation is given.