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This introductory chapter for educators provides background information to support classroom investigations of global climate change. Topics addressed include the structure and composition of the atmosphere, General Circulation Models (GCMs), 2xCO2... (View More)

This is an activity about size and scale. Learners will use cotton bails, glue, and other common materials to produce a scale model of the coma and tail of Halley's Comet. This is Activity E-1 of Universe at Your Fingertips 2.0: A Collection of... (View More)

Students will compare aerial photos of their area from the past with current photos, noting differences and then conducting ground truth investigations to determine what happened. Finally, students will use the information they gather about past... (View More)

Students will examine two satellite images of their local watershed taken at different points in time and use this data to learn about changes in the watershed, particularly in land cover. Next, they describe how these changes have had positive or... (View More)

This is an activity about problem solving. Learners will discuss the crucial materials a four-person crew would need in order to live on the Moon, ranking them in terms of importance. This is Activity I-3 as part of The Universe At Your Fingertips... (View More)

Students describe the interaction between the river, its quality and the lives of people in the watershed where they live. Students will design a questionnaire, interview local people, and compile the oral histories collected to establish the recent... (View More)

Keywords: Ethnography

Students examine a series of remotely-sensed images of the US, scaling from the continent to San Francisco, and distinguish the concepts of scale and resolution. At greater resolution, students are able to identify different land classes on the map,... (View More)

This is an activity about astrobiology. Learners will research one planet within our Solar System and create an alien based on the temperature, gravity, terrain, radiation exposure, composition, and atmosphere of that planet. Then, each person will... (View More)

This is an activity about observation. Learners will make a 3-dimensional model of a mock planetary surface inside a box, and then place a lid on top. They will then introduce a simple probe, such as a pencil or stick, at various points through... (View More)

In this activity, learners build a sextant to measure the altitude, or height above the horizon, of an object. The activity was originally designed to accompany a previous NASA-funded educational program, entitled The Sun in Time.