Website
Library of Congress

Loc: Everyday Mysteries: What Causes the Sound of Thunder

For Students 3rd - 8th
Detailed description of the scientific cause of thunder.
Unit Plan
NOAA

Noaa: National Weather Service: Jet Stream Online School for Weather: Lightning

For Students 9th - 10th
The National Weather Service presents this comprehensive site on lightning. Learn how lightning is created, what makes the sound of thunder, and ways to be safe during a storm. Learning lessons, frequently asked questions, and review...