Curated OER
Chapter One: The Importance of Soil
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...
Curated OER
Nutrient Cycling
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...
Curated OER
Sunken Millions
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.
Biology Junction
Ecology
Psychologists study human relationships while ecologist study relationships between organisms in the environment. An introduction to ecology and the related vocabulary benefits scholars as they progress through the presentation and...