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.
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...
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...
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.
Georgia State University
Georgia State University: Hyper Physics: Fundamental Forces
Explains what each of the four fundamental forces is and their interactions with the physical world. The four types are the strong force, the weak force, the electromagnetic force, and the gravitational force.
Physics Aviary
Physics Aviary: Practice Problems: Motion on Incline Level 1
Students must calculate the distance an object will move up an incline using Newton's Laws. Mass, angle, gravitational field and initial speed will be generated randomly.
Physics Aviary
Physics Aviary: Practice Problems: Motion on Incline Level 2
Students must calculate the distance an object will move up an incline using Newton's Laws. Mass, angle, gravitational field, coefficient of friction and initial speed will be generated randomly.
Physics Aviary
Physics Aviary: Practice Problems: Motion on Incline Level 3
Students must calculate the speed of a block when it returns to its original location on an incline using Newton's Laws. Mass, angle, gravitational field, coefficient of friction and initial speed will be generated randomly.
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.
Physics Classroom
The Physics Classroom: Electric Potential
This tutorial introduces the concept of electric potential. It relates this concept to the potential energy of a positive test charge at various locations within an electric field. Take the interactive quiz to test your understanding.
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Scuba Training
[Free Registration/Login Required] A simulation to help you understand how a diver floats! Learn the principles of buoyancy and its relationship to the pressure gradient in a liquid in a gravitational field.
Wikimedia
Wikipedia: The Black Hole
This site examines the black hole as an object in astrophysics. Delve into this comprehensive resource that covers this concept from its history, to qualitative physics, the reality of black holes, mathematical physics and more.
Science Museum, London
Making the Modern World: Gravity
The learning module helps students gain a deeper understanding of gravity. Some topics explored are orbits, the mission to the Moon, and the first space walk. Activities and videos are included.
Physics Aviary
Physics Aviary: Work to P Eg Lab
This lab is designed to have students discover the relationship between the work that is done and the changes to height that occur to an object. Students can adjust the amount of energy added to the object. They can test five different...
Physics Aviary
Physics Aviary: Drone Delivery Lab
This lab is designed to have students find the relationships that govern the behavior of a package that has been released by a drone that is flying horizontally. Students will have control over the drone's height and horizontal speed....
Physics Aviary
Physics Aviary: Ground to Ground Soccer Kick Lab
This lab is designed to have students find the relationships that govern the behavior of a soccer ball that is kicked on an angle. The ball will start on the ground and end on the ground. Students will have control over the speed of the...
Physics Aviary
Physics Aviary: Forces on an Incline Lab
This lab was designed to have students look at the factors that might affect the angle at which an object will start to move when it is placed on an inclined plane. The friction coefficient of the surfaces, the strength of the...
CK-12 Foundation
Ck 12: Physics Simulation: Black Hole
[Free Registration/Login Required] Watch a clock slow down in the strong gravitational field near the event horizon of a massive black hole. A PDF worksheet and a video tutorial are also available. [2:57]
NASA
Nasa: Image Science Center: Ask the Space Scientist
A NASA space scientist provides 98 questions and answers about the sun, the center of our solar system.
OpenStax
Open Stax: Extended Topic : The Four Basic Forces an Introduction
In the following interactive students will begin to understand the four basic forces that underlie the processes in nature.
Other
Impact Tectonics: Earth's Interior, Gravity, and Magnetism [Pdf]
Topics covered in this slideshow include the Earth's interior, seismic S- and P-waves, the crust and mantle, phase boundaries encountered by seismic waves, the Earth's internal heat, gravity and density, gravitational anomalies, the...
Texas Education Agency
Texas Gateway: 4.8 Extended Topic: The Four Basic Forces: An Introduction
By the end of this section, you will be able to understand the four basic forces that underlie the processes in nature: gravitational, electromagnetic, weak nuclear, strong nuclear forces.
Other
Uc Riverside: Twin Paradox
To make sense of this, you have to first see the Twin Paradox: Introduction, which is the special relativity version and is linked to this page. This general relativity explanation views the paradox from a gravitational point of view.
Open Curriculum
Open Curriculum: The Nonmechanical Universe
Students learn about the fields of force and gravity in this illustrated article.