A 22-slide set provides pretty much everything you need to teach the rock cycle except the actual specimens. All of the slides contain graphics or photographs to help describe the process, and most even have links to educational videos....

An evaporation investigation! This collection of slides walks future scientists through the process of setting up an experiment on how to speed up evaporation. The experiment is simple enough to use at the beginning of the school...

Beginning botanists are introduced to the world of plants with this PowerPoint. Some of the information is most appropriate for primary learners, such as the needs of a plant. Some of the information, however, is more directed at...