Check these explanations.
http://www.kidsgeo.com/geography-for-kids/0062-radiation.php
http://en.allexperts.com/q/Science-Kids-3250/2009/2/Radiation-1.htm
What is radiation?
4 answers
radiation is produced by the Sun's UV rays. (UV means Ultra violet). They are sometimes harmless, because radiation is everywhere. But too much exposure can cause harm to you.
wow really hahah it most likely is in your science book! :p that was a dumb question! lol no offense....
In a simple sentence explain infrared radiation.
1 answer