Resources available from this site include: a Word Search; Masterbug Theater, which is a slideshow about the metamorphosis of Macroinvertebrate indicators in a freshwater aquatic environment; and Darby Duck and the Aquatic Crusaders, which contains experiments about the properties of water. What's Wrong With This Picture allows students to identify several sources of pollution in a suburban environment ... Full description.

This resource for younger students about the hole in the ozone layer is part of a series of information sheets about the atmosphere, climate, and the environment. It begins with a description of the ozone layer and its importance to our health, then describes the ozone hole and its cause and gives information about the effects of the ozone hole on humans and other living things. The difference between ... Full description.

In this lesson students learn about the Blue Nile and compare it to rivers in the United States. They discuss their experiences with rivers and what they think it would be like to travel down a river that rapidly descends from the mountains to the plains. After looking at a map of Ethiopia, students describe what they would see in the area around the Blue Nile. They will witness a demonstration of ... Full description.

In this lesson students investigate climate change in the Arctic Ocean to discover the potential impact of observed reduction in sea ice in the Arctic Ocean on ocean life. As a result of this activity, they will be able to identify the three biological realms of the Arctic Ocean and describe the relationships between these realms. They will graphically analyze data on sea ice cover in the Arctic Ocean, ... Full description.

In this project, students will pretend to be experts called on to describe the acid precipitation problem in the fictitious city of Ramford. Their presentations will cover the following: the types and causes of acid precipitation; the trends over time for pH levels of surface-water and precipitation in Ramford County; the point and non point-source contributors to acid precipitation for Ramford County; ... Full description.

This downloadable booklet provides an overview of wetlands for younger students. Topics include what a wetland is, plants and animals that inhabit them, the many terms (marsh, swamp, etc.) used to describe them, what to do when visiting wetlands, and what functions wetlands perform in the environment. Full description.

This resource for younger students is part of a series of information sheets about the atmosphere, climate, and the environment. It offers information about the cause and effects of air pollution, both past and present, and an explanation about deadly smog and the advent of clean air acts. It also provides information about indoor pollution and the dangers of smoking. Two special sections tell why ... Full description.

Weathering and erosion work together as natural forces, removing and transporting material. Sediments, the by-products of these processes, are subsequently deposited to produce characteristic landforms such as dunes, deltas, and glacial moraines. This slide show presents images of landforms that result from erosion and weathering, as well as measures designed to mitigate their unwanted effects. Full description.

Students participating in this lesson will make a simple tester that can be used to collect and observe particulate pollution. The lesson provides essential elements, objective, focus, a list of materials, background information, procedure, and ideas for extension. Full description.

In this lesson students learn about the differences in precipitation levels and elevation in the regions of the Nile and its source rivers (the White Nile and the Blue Nile) and will be able to explain the importance of the source rivers to civilization in Egypt. They use the MapMachine, an online atlas, and create elevation zones and precipitation maps of Africa. As they create each map, they compare ... Full description.