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In this demonstration, relative humidity is modeled using a sponge and a pan of water, and the concept of saturation is depicted. Students answer questions examining the relationship between temperature and the capacity of air to hold water vapor.... (View More)

The sustainability of the Nile as a water resource is investigated using maps, photos, data, graphs and a role-playing activity. Student groups will represent each of the 10 countries in the Nile River Basin. Data cards are provided for students to... (View More)

Keywords: Watershed

This activity is about the Mars Pathfinder spacecraft. Using cardboard and other materials, learners will create a two dimensional model of the spacecraft. A diagram with approximate measures of each component is provided.

In the culminating activity of this investigation, students write an editorial entitled, Are We Warming Earth?, in which they attempt to persuade readers to take global warming seriously. Leading up to that activity, students read background... (View More)

El Niño Southern Oscillation (ENSO) affects weather, climate, and, consequently, humans and their activities. In this investigation, students review and analyze ENSO background info, data and satellite images in preparation for a game. Acting as... (View More)

The use or abuse of the Chesapeake Bay is examined and discussed in the form of a student role-playing activity. Each student gathers relevant background information and formulates questions from briefing cards included in the investigation. Ten... (View More)

This investigation introduces students to the phenomena of urban heat islands, areas of higher then normal temperatures associated with populated areas. Using Atlanta, Ga., as the study site, students begin by analyzing the population growth and... (View More)

Remote sensing, using Thermal Infrared Multispectral Scanner (TIMS) data, has lead to the discovery of previously unknown roads in the canyon area of New Mexico once occupied by the Anasazi culture. Students will use those images, along with maps... (View More)

Worldwide patterns and sources of aerosols are analyzed and evaluated for potential hazards to aircraft safety. Using aerosol index maps created from data gathered by the TOMS instrument, student groups will analyze and compare aerosol data from... (View More)

In this activity, students learn that the small droplet size of water the in the clouds and wind contribute to clouds remaining suspended in the sky. The demonstration requires a clear beaker, sand, and rocks. Several other activities are suggested.... (View More)