Indiana Science Grade 7

Chapter 14: Waves, Sound, and Light

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Topic: Lasers

Visit these sites to learn more about lasers. Use the information to complete the activity in your book.

What Can Lasers Do?

( http://www.thetech.org/exhibits_events/online/lasers/mainpage.html )
Uses of Lasers

( http://ffden-2.phys.uaf.edu/212_fall2003.web.dir/James_Becwar/uses/ )
The Uses of Lasers in Today's Society

( http://users.netconnect.com.au/~jackt/uses.html )
Laser

( http://www.worldalmanacforkids.com/explore/space/laser.html )

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Visit these sites for more information about how astronomers convert the radio waves received by radio telescopes into images of galaxies and stars.

What Is Radio Astronomy?

( http://www.nrao.edu/whatisra/index.shtml )
Radio Astronomy

( http://yahooligans.yahoo.com/content/science/space/radioastro.html )
Radio Astronomy for Scientists, Teachers and Students

( http://www.radiosky.com/ )
DSN Radio Astronomy

( http://dsnra.jpl.nasa.gov/ )
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