Do you know your news elements? Can you spot the most important one? This site helps you spot different kinds of leads, and which news element they emphasize. Includes an exercise for use in your own classroom.

A brief PDF worksheet in which students can assess the irony in a given piece of literature. They will document the type of irony, an example from the text, and its effect on the reader as indicated by the boxes.

This site tells of Aristotle's six parts of a play. It goes into detail on the Character and the different terms that describe different character types.

Our understanding about the air we breathe has changed dramatically through time. This illustrated timeline from the NOVA Web site tracks the changing thought on air and the creation of the Periodic Table of the Elements.