The grammar is problematic on several of the slides in this collection, but the information is generally accurate. If you don't mind making a some corrections rather than starting from scratch, this presentation will save you some...

If your class is reading the historical fiction novel, Out of the Dust, then you are in luck. Here are a few slides that will help you provide historical context for the book, as well as define main characters, setting, symbolism, and...

This PowerPoint provides a game show format with multiple choice questions about fresh and salt water. Topics include sources of water, water geography, uses of water, and the water cycle.

AP environmental science or college-level ecology classes will glean a tremendous amount of information on nutrient cycles from this detailed PowerPoint. It covers nutrient requirements, biogeochemcial cycles, decomposition rates, and...

Get an in-depth look into erosion and deposition with a 23-slide presentation that details how gravity, water, waves, wind, and glaciers cause changes to the Earth's surface. Each slide consists of detailed images equipped with labels,...