In a lightstick, two chemicals come together to cause a reaction. The reaction produces the glowing light you see in the lightstick.
To learn more about lightsticks:
1. Go to the Cool Lights WWW Sheet and print it.
2. Visit these Web sites. Then complete the WWW Sheet. About Lightsticks Omniglow's Student Information Classroom
In a lightstick, two chemicals come together to cause a reaction. The reaction produces the glowing light you see in the lightstick.