Using lasers, doctors can perform operations and treat serious conditions. But lasers are also a part of our everyday lives. Lasers help us listen to music and use the computer. What are some other uses of lasers?
Write an explanatory essay about how lasers are used in our everyday lives. Explain how lasers help people and improve life. Here are some questions to guide your research:
How do lasers work?
Where can we see lasers at work in our everyday activities?
What kinds of medical conditions can lasers treat?
How do lasers help people? How do they make life easier or better?
Are you ready? Begin by visiting the Web sites in Step 2. Look for answers to the questions above, and write down what you learn in the boxes.
You may use search engines to research other Web sites. You may also research lasers at the library. When you are ready, follow Steps 3 and 4 to write your essay.
Step 2. Research
Research answers for the questions you were asked in Step 1. Visit these Web sites. Take notes about them on this page, too!
Toolbox Tip: Click here to find out how to decide if you can trust the information on a Web site.
