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Inc.com: Executive Summary as a Guiding Light
An excellent source on writing the executive summary of a business plan; including, what it should accomplish and its attributes. This was written in October 2000 by David E. Gumpert.
CK-12 Foundation
Ck 12: Plix: Wave Interactions: Law of Reflection
[Free Registration/Login Required] Move the light source to see what happens to the reflected ray as you change the angle of the incident ray.
Science Buddies
Science Buddies: Where Did All the Stars Go?
If you live in a big city or urban area it is hard to see many stars at night. In most urban areas only the most brilliant stars, planets and the moon can be seen. This is because of something called light pollution which is the...
Florida State University
Florida State University: Molecular Expressions: Measuring With Shadows
You can use shadows and a meter stick to measure very tall objects from the ground--and before you try this experiment yourself, see how it works with a Java applet that measures the height of a Tyrannosaurus Rex.
TeachEngineering
Teach Engineering: What Is Energy?
With an introduction to the ideas of energy, students discuss specific types of energy and the practical sources of energy. Hands-on activities help them identify types of energy in their surroundings and enhance their understanding of...
Next.cc
Next: Solar Energy
Engage in the activities provided to learn how you can use the sun as a source of energy. Click on the links for further exploration.
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