DK Publishing
A Burning Matter
The process of fire requires oxygen, heat, and fuel. Take one of those away, and fire ceases to exist. That's the idea behind this worksheet which portrays a candle burning inside an upside down jar. Pupils answer a couple of questions...
American Association of Physics Teachers
Com Padre Digital Library: Physics to Go: Explore Physics on Your Own
Contains a full physics curriculum with links to games, webcasts, and activities. By creating a free account, students and teachers can create their own personal collection of resources.