What are the health risks of radiation?
As you read this page, you are being bombarded by radiation from the sun and distant stars, as well as from rocks deep in the ground beneath your feet. Although radiation is a natural part of your world, too much exposure to certain types of radiation can be harmful. Visit the Web site of the Environmental Protection Agency and search for information on radiation exposure. Create a short video or digital presentation to explain radiation risks to someone without a background in science.
How do science concepts apply to your world? Here are some questions you'll be able to answer after you read this chapter.
Why does a lamp seem brighter the closer you are to it? (Section 18.1)
How does a microwave oven cook food? (Section 18.2)
How is a mirage formed? (Section 18.3)
How can you make millions of colors from only three? (Section 18.4)
How can you tell if a painting is a forgery? (Page 554)
Why are fluorescent lights commonly used in large buildings? (Section 18.5)
Colorful neon lights brighten up a walkway in Chicago's O'Hare Airport.