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Activity
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Gravity and Orbits

For Students 9th - 10th
An interactive simulation that teaches about gravitational force, circular motion, and astronomy by manipulating the sun, earth, moon, and a space station to observe the effects of gravity and orbital paths. This simulation can either be...
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Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Gravity and Orbits

For Students 9th - 10th
Move the sun, earth, moon, and space station to see how it affects their gravitational forces and orbital paths. Visualize the sizes and distances between different heavenly bodies, and turn off gravity to see what would happen without it.
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Interactive
Ambleside Church of England Primary School

Ambleside c.e. Primary School: Your Weight on Other Planets

For Students 3rd - 8th
Students enter their weight here on Earth, and find out how much they would weigh on the moon and other planets.
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Website
Enchanted Learning

Enchanted Learning: Earth's Oceans Tides

For Students 9th - 10th
This site explains what tides are and the difference between Proxigean Spring Tides, spring tides, and neap tides, and how these are formed. Graphic illustrations are provided.
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Unit Plan
Physics Classroom

The Physics Classroom: Cavendish and the Value of G

For Students 9th - 10th
A short description of how Cavendish measured the value of G - the universal gravitation constant and supported Newton's theory. Illustrated.