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Chapter 12 - Energy

physical_science

 

 

Unit F - Forces and Energy

  • Chapter 12 - Energy

How do we use energy

Light-Quest

Hands-on Activity

Light Quest

Particles and waves, reflection and refraction—how enlightened are you about the subject of light? Find out with Light Quest!, a kid-friendly trivia game.

See-the-Light

Hands-on Activity

See the Light

Light always travels in straight lines—that is, unless it bends or bounces off an object's surface. Take an enlightening look at light with these three easy experiments.

Light-Matter-and-Energy

Story

Light, Matter, and Energy

Who was this genius named Einstein, and where did he get all his great ideas? Find out with this virtual tour of the many ways he changed science. It might just inspire the genius in you!

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Hands-on Activity

Create a Compass

From any place on Earth, a compass will always point north. But do you know why? Explore the inner workings of this tiny magnet by building one—and then testing it in your neighborhood.

white light_thumb

Curriculum Materials

White Light and Colored Light

When does mixing every color under the rainbow create pure white rather than a murky brown or black? When light, not paint, is the medium—and you're subtracting, not adding, color.

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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

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Online Resource

Profile: Ole Roemer and the Speed of Light

While studying one of Jupiter's moons, Ole Roemer happened upon the first good estimate of the speed of light. Before his 1676 discovery, scientists assumed that light could not be measured.

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Online Resource

Profile: Lyman Spitzer and the Space Telescope

The idea of launching a telescope into orbit was first suggested in 1923, but the idea wasn't realized until nearly 70 years later. Along the way, there were several obstacles and setbacks.

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