Movement - Physics
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Movement

Skateboarding

When solid objects move through space, they follow certain rules that let us predict how they will act. The first three rules are known as Newton's Laws of Motion, and they say that:

These rules work for most situations, both on Earth and in space. But we have to make special rules when we are thinking about the speed of light. First, the theory of relativity says that space and time are essentially the same thing, so that things have to move in space and time at the same time, or it's the same thing for something to move in time and in space. This also means that

Second, the theory of special relativity says that


Bibliography and further reading about movement:

Gravity
Momentum
Friction
Physics
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Professor Carr

Karen Eva Carr, PhD.
Assoc. Professor Emerita, History
Portland State University

Professor Carr holds a B.A. with high honors from Cornell University in classics and archaeology, and her M.A. and PhD. from the University of Michigan in Classical Art and Archaeology. She has excavated in Scotland, Cyprus, Greece, Israel, and Tunisia, and she has been teaching history to university students for a very long time.

Professor Carr's PSU page

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Now that the weather's nice, try some of these outdoor activities! How about bicycle polo, or archery for a Medieval Islam day? Or kite flying or making a compass for a day in Medieval China? How about making a shaduf for a day in Ancient Egypt? Holding an Ancient Greek Olympic Games or a medieval European tournament? Building a Native American wickiup?