In this lesson, students research maps, weapons and weather from a variety of wars, then create a presentation showing the impact weather and topography has had on military operations. Full description.

The purpose of this resource is to develop a classification system for a set of objects and learn about hierarchical classification systems. Any set of objects, such as insects or rocks, may be used as well. Full description.

This live, interactive electronic field trip to a North Carolina estuary is conducted on two dates each year. Previous field trips are stored for non-interactive access. Teachers can access resources on such topics as estuarine and coastal monitoring, management, cultural traditions, invasive species, and habitat restoration. The lesson plans include grade level and standards applicable for technology, ... Full description.

A team of scientists from the Virginia Institute of Marine Science (VIMS) is studying the presence of persistent organic pollutants (POPs) in the Antarctic. During January and February 2002 an educator travelled there to participate in the study, and posted daily reports. In addition, this site contains learning activities that you can use to find out how scientists think and work. These include research ... Full description.

The site offers an interactive discussion of different vantage points associated with dam building. It describes some of the engineering and environmental issues that go into the process of selecting a site for building a dam and the conditions necessary for electrical generation. Links to classroom and family activities are organized by grade level. Full description.

This is a lesson that enables the student to describe how hurricanes move and change appearance over time through the use of the pubic domain image processing software. Full description.

The purpose of this resource is to use a land cover type map to make environmentally sound decisions. Full description.

In this article, The Why Files examines the effects of living in space on humans. From bone-mass loss, to poor air quality and isolation, many argue that living in space for long periods of time has numerous ill effects on the human body. This article looks at the negative effects space can have on the physical and mental state of humans, as well as discusses the healthy aspects of space travel. Full description.

In this lesson, students draw their perceptions of a typical scientist, evaluate stereotypes in their drawings quantitatively, and then discuss the origins of these stereotypes. The lesson objectives include considering that people like themselves can become scientists. Full description.

This essay walks students through the examination of a lava cave in Arizona and discusses not only how lava caves are formed but also the author's personal feelings and observations. The field journal notes from the expedition paint a picture of what it is like inside a lava cave and describes several lava features including lava ripples, splashdowns, cooling cracks or crevices, and lavasicles. Full description.