Chapter 11 - Using Forces
Article
Crash Course? (SuperScience)
Introduce younger students to space objects and how gravity affects them. Then have them explore the effects of this force with the Gravity Game.
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Gravity: It's Universal
We owe our lives to gravity. It holds the atmosphere to Earth and keeps us all from falling off into space. Not to mention that without gravity, the stars and planets—including Earth—wouldn't even exist!
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Newton's Laws of Motion and Gravity Applied to Meteorites
Did it all start when an apple bopped Isaac Newton on the head? This activity explores some of the ways his fundamental laws are expressed in our dynamic solar system.
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Fusion Simulation
Confused about fusion? You won't be once you've completed this experiment, which demonstrates how a strong nuclear force can fuse two protons that naturally repel each other.
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Weightlessness on Earth?
Who said daydreams are a waste of time? One of Einstein's flights of fancy led to the equivalence principle—the knowledge that while an object is in free fall, it's free of gravity's effects.
Einstein
Peer at the world through the eyes of Einstein—a scientist who saw a beam of light and imagined riding it, a self-proclaimed "citizen of the world" who spoke out on global issues from pacifism to racism.
November 15, 2002 - January 1, 2003