Provide more content in a shorter time (are efficient)

Can be used with groups of all sizes

Here's all students the opportunity to see and hear the same information

provides students with an organized perspective of lesson content (i.e. information is structured and Elation ships concepts are Illustrated)

can be used to to efficiently present a large amount of content

Utilizes several senses; students can't see, here, and possibly experienced an actual event

Has dramatic appeal if the presenter uses good Showmanship technique, such as demonstrating an unexpected result or a discrepant event