It's a delicate balance—using technology to improve our lives while still protecting the environment, and ourselves, from the hazards of technology use. Class members examine statistics about the increase in media use, complete a survey...

How do we affect the ecosystem, and what can we do to preserve it? Pupils explore chemicals that promote and inhibit plant growth, then discuss the importance of nitrogen and phosphorus to the survival of organisms and describe how...

Class members examine human migration. For this population lesson, they read an article entitled, "Freedom of Movement" and respond to discussion questions about the article related to guest worker programs.

Are learners heavy sighing at the idea of reading a primary source, written in a language that is difficult to understand and in cursive? Look no further, because the resource breaks down the Declaration of Independence in an...

What occurs following a natural disaster? High schoolers research this question and others as they investigate natural succession after a disaster. First, as they differentiate between primary and secondary succession, they explain...

If you're tired of defining allusion, onomatopoeia, and satire for your language arts students, hand out a complete list of literary devices to keep the terms straight. Each term includes a definition that is easy to understand and...

The London Bridge should not have fallen down. And here's why. After a brief history of bridges and the three main types, class members are introduce to the concepts of tension and compression, the two main forces acting upon bridges. 

Seventy percent of the air pollution in China is due to car exhaust. Under the umbrella of environmental chemistry, learners extensively explore air pollution. From the makeup of our atmosphere to sources of major air pollutants, classes...

De-icing materials may have a harmful effect on our environment; have your class perform an experiment to test the nature of these effects. Scholars monitor the survival rate of a sample of daphnia as the concentration of a de-icing...

Students read facts about dolphins and background about the book Dolphin Song. In this Dolphin song lesson plan, students also answer short answer questions about the book after reading it.

This site, from the Maryland Department of Natural Resources, explains the effects that humans have had on Chesapeake Bay. It explores the changes in the bay that have occurred over time.

A massive amount of information about groundwater. Topics covered include groundwater basics, humans and groundwater, groundwater quality, and its place in the water cycle. Includes true-and-false quiz and a Q&A section, as well as a...

This resource provides a natural and human history of the Great Salt Lake.

This excellent 64-page teaching resource looks at the historical and geological past of the Alberta grasslands, their biodiversity, threats they face from human activities, and steps being taken to conserve them. The unit is designed for...

In this interactive quiz from NOVA, take the Environmental Challenge and test your knowledge of human impact on the world's natural resources and climate.

Learn more about llamas when you check out this resource. This site features a clear and concise picture of how these fascinating mammals live and what purpose they serve to other animals and humans.

Learn about how and where tigers live when you explore this resource. You can also investigate how tigers communicate with each other, enemies, friends, and humans through this site.

Learn about the considerable variety of materials on Earth, and the basic properties which set them apart. Read how all matter on Earth comes into play when it comes to environmental issues.

This resource presents illustrated essays about horses, developed in conjunction with museum-mounted exhibition, cover a wide range of topics, including the evolution of horses, the domestication of horses, the nature of horses, and the...

Extremophiles thrive in the most extreme environments that are inhospitable for humans. This resource breaks down each type and provides a brief description. A good list of references is provided at the bottom of the page.

Gain a perspective on the origins of the contemporary environmental crisis, where an awareness of the environment came into being.

Every economic system tries to anticipate and then meet human needs through the production and distribution of goods and services. The economic system is the mechanism that brings together natural resources, the labor supply, technology,...

Facts about four basic types of tissues in the human body and their functions.

Are nature's complex forms evidence of "intelligent design"? In this Evolution essay, biologist Kenneth Miller explains how the processes of evolution account for complex structures such as the human eye.