Here is a fantastic, informative, interactive presentation on plant and animal cells. The PowerPoint is produced by an elementary school teacher who has a doctorate in science, and it shows! This would be a splendid presentation to use...

Historical and humorous examples pepper this through presentation, which addresses logical infelicities and humor in business, advertising, and even politics. Though designed for a business and advertising class, this lecture could also...

Each of the slides in this presentation provide learners with an image found at a northwestern art museum and a critical analysis of what can be seen in each piece. Learners can view this prior to a museum trip in order to build...

A great review of the structure and function of carbon-based molecules important to life, especially with relevance to humans. The chemistry behind the combination of polymers and the breakdown of bonds is covered. Valuable content...

Unearth this gem of a resource to use in your geology unit! With colorful images, bullet-point text, and links to related videos, it deals with the characteristics, properties, and identification of minerals. There are also slides...