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LIGHT Sample Text
"Take a look at your thumbnail. Now picture a spot the same size on the sun. This tiny spot would be as bright as one million candles shining all at once! The sun is our brightest and most important source of light. At any given moment, it sends out 383 billion billion megawatts of light energy. (That's 383,000,000,000,000, 000,000,000,000 watts!) Compare this to a light bulb in your home. It proba. . . "		RELATED TITLES & PRODUCTS

What's Inside:
  • Light from the Sun
  • Fireflies and Other Living Things that Give Off Light
  • Vision: How Humans and Animals Use Light
  • How Plants Use Light
  • Things Light Can Do
  • How Lasers Work and Other High-Tech Uses of Light
  • The Speed of Light
Features:
  • LEXILE® READING LEVEL: 660L
ITEM #: 023
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RELATED TITLES & PRODUCTS
CHEMISTRYCHEMISTRY
"Curious about your world? Interested in how things work? Have ideas for how things can work better? You might be a future chemist! Chemists study how atoms and molecules come together, come apart, and transform into something new."
EYESEYES
"Vision is the team captain of the five senses. Hearing, tasting, smelling, and feeling are important. But most humans get most of their information about the world through their eyes. The first "eyes" in nature appeared on sea animals hundreds of millions of years ago. They were just light-sensitive patches on the skin. But sensing light was so handy for survival that true vision began to. . . "
ELECTRICITYELECTRICITY
"Flip on a light switch. Now flip it off. That simple action -- On/Off -- helps show electricity's power. Turn on a computer or a TV or a hair dryer. They show electricity's power, too. Most of the time, though, electricity can't be seen. In fact, you can't smell it, feel it, or hear it. But, it's hard at work. Some scientists feel that the word electricity is misused. To them . . . "
PHOTOGRAPHY
"Since its introduction in 1839, photography has changed the way we view the world. Travel photos show us distant people and places. Satellite photos show us weather patterns and give us a unique world view. School photos preserve memories. News photos bring us great events. Advertising photos sell us products. Crime-scene photos show us the dark sides of our streets. Our lives are shaped by images. . . "
EDISON, THOMAS EDISON, THOMAS
"What is genius? According to Thomas Edison, it's 1 percent inspiration and 99 percent perspiration. By this definition, Edison certainly qualified. From childhood to the end of his long life, Edison was always working on some project. Many of them were inspirations that changed the world we live in. The incandescent electric light bulb, the phonograph, the motion picture projector-these are the mo. . . "
ENERGYENERGY
"Brrrrrraaaaa! The alarm clock sounds. Do you leap out of bed already in high gear? Or do you bury your head under the pillow and go back to sleep? No matter what you do, you're using energy. Scientists define energy as the ability to get work done. The work can be anything from breathing to giving a party to building a pyramid-to taking a nap. But where is energy? Can you touch it? No, but you can. . . "