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Focusing on air, water, land and life, this video describes how these components are connected in the Earth system through the flow of energy, cycles of water and biogeochemistry. Methods of studying the Earth system, ranging from field observations... (View More)

Maps and images are examined, compared and contrasted in this introductory lesson. Beginning with the school building map typically posted in their classroom, students analyze the information it contains, describe its features, and determine its... (View More)

Keywords: Satellite images
Audience: Elementary school
Materials Cost: 1 cent - $1 per student

This demonstration allows students to visualize how heat moves through convection - using water, food coloring, a small cup and a large jar - and prompts them to make a connection between the observed process and cloud formation. The resource is... (View More)

This video demonstrates students measuring the transparency of water, a measure of water quality, using a Secchi disk or turbidity tube. Field measurements of water temperature are also shown. The resource includes a video and a written transcript,... (View More)

In this demonstration, students learn that air flows from a high-pressure area to a low pressure area, and greater the differences between pressure areas, the greater the wind speed. The demonstration uses an apparatus made from two 2L beverage... (View More)

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

Students use this worksheet to guide research as they learn how to prepare for a hurricane. The resource is part of the teacher's guide accompanying the video, NASA Sci Files: The Case of the Phenomenal Weather. Lesson objectives supported by the... (View More)

Audience: Elementary school
Materials Cost: Free per student

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)