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Subtopic: Dynamics

Change grade range

Resource	Grade Level	Media Type
Forces Lab In this interactive activity from the Building Big Web site, select one of the actions of squeezing, stretching, bending, sliding, or twisting to explore the forces of compression, tension, shear, and torsion.	3-8	Flash Interactive
Gravity on Earth and in Space This collection of images compares the effects of gravity on Earth and in space.	K-8	Flash Image
Invisible Forces Sometimes it is challenging to comprehend the forces that effect out everyday life because most forces we can't see. This video segment from SPARK shows how one artist makes them visible.	4-12	QuickTime Video
Masses and Springs In this interactive simulation adapted from the University of Colorado's Physics Education Technology project, hang various masses from different springs and see the kinetic, potential, and thermal energy of each spring system. You can even slow time or move your demonstration to another planet.	6-12	Flash Interactive
What Is "Weightlessness"? This video segment, adapted from ZOOM, shows how dropping a cup of water can both demonstrate gravity and create "weightlessness" here on Earth.	K-8	QuickTime Video
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.	3-8	QuickTime Video