We hear a lot about the importance of the rule of law, but most people do not really know what those words mean. The lesson is a webpage that defines the rule of law, explains why it is important in a democratic society and provides...

Not all dogs are the same just like not all finches are the same. An interactive online lesson helps individuals learn about the causes and limitations to biodiversity. The clickable sections describe the basics of the genetics of...

This site has excellent resources for teaching students about plants. It has a guide to scientific investigation and a glossary of plant terms. There are three lessons that each include a slideshow on the parts of a plant, the needs of...

This video segment from NatureScene describes the characteristics of redwood trees at Redwood National Park. [4:02]