Physics Classroom
The Physics Classroom: Satellite Motion
An animation depicting the path of projectiles launched at various launch speeds from the fictional Newton's Mountain. Accompanying text discusses satellite motion and the requirements of orbital motion. Links to further information is...
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.
Other
Spacetech's Orrery: Earth Our Home Planet
This site provides a very interesting overview of our home planet, Earth. Content includes a focus on the atmosphere, the pull of gravity, and the active surface.
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.
Exploratorium
Exploratorium: Structures Around the World
How does that bridge stay up? What are the forces acting on that column? This site helps students understand how structures can be built by having them build their own. Also provides images of real structures for kids to compare with...
Science Bob Pflugfelder
Science Bob: The Lincoln High Dive
Instructions for a science demonstration of Newton's first law of motion using common supplies. Learn how to turn the demonstration into an experiment.
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!
Texas Education Agency
Texas Gateway: Effects of Force
Explore the effects of forces around us in the world.
NASA
Nasa: Magellan Mission to Venus
This home page from NASA offers Venus images taken by Magellan and other highlights from the mission. In orbit around Venus for four years this mission provided maps of 98 percent of the surface of Venus that are more detailed than most...
Discovery Education
Discovery Education: Physical Science: Gravity Gets You Down
In this lesson, students make predictions about falling objects of different sizes and masses to learn about gravity and air resistance. Includes audio vocabulary list and extension activities.
Physics Aviary
Physics Aviary: Deep Sea Diver Lab
Examine the factors affecting the pressure under a fluid. Run this simulation on "Earth-Like" planets with the same atmospheric pressure but different accelerations due to gravity.
Physics Aviary
Physics Aviary: Practice Problems: Find Mass With Torque
Determine the unknown mass that is being balanced by a known mass for a meter stick balanced at its center of mass (50.0 cm mark).
Physics Aviary
Physics Aviary: Practice Problems: Find Mass With Torque Hard
Determine the unknown mass that is being balanced by two known masses for a meter stick balanced at its center of mass (50.0 cm mark).
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.
Physics Aviary
Physics Aviary: Practice Problems: Gravitational Field Strength
Students must find out the strength of the gravitational field at a location of an orbiting satellite.
Physics Aviary
Physics Aviary: Practice Problems: Dump Tower Level 1
Students must find the acceleration due to gravity on a planet and the impact speed of an object that has been falling from the top of a garish tower.
Physics Aviary
Physics Aviary: Practice Problems: Dump Tower Level 2
Students must find the time it has been falling and the average speed it has been falling between to stories of a garish tower.
Physics Aviary
Physics Aviary: Practice Problems: Dump Tower Level 3
Students will be given information about a planet and they must calculate how long it takes an object to fall from the top of a garish tower.
Physics Aviary
Physics Aviary: Practice Problems: Dump Tower Level 4
Students will try to determine the mass of a planet based on the falling of an object from the top of a garish tower.
Bill Nye
Bill Nye: Falling for Science
This tutorial from Bill Nye shows that gravity pulls on all objects at the same speed. It also demonstrates that, despite this, air resistance can cause certain objects to fall more slowly.
Bill Nye
Bill Nye: Twistin' Tornado
This experiment with Bill Nye explains how to make a tornado in a bottle.
Bill Nye
Bill Nye: Penny Droplets
This tutorial by Bill Nye introduces the concept of a cohesive force through an experiment involving a penny and droplets of soapy water.
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.