This ocean-science Web site allows users to learn about many important ocean processes, linked to teaching material and sources of real-time ocean data. The site also has complete college-level and graduate courses and textbook (which can be freely downloaded) in oceanography and physical oceanography. Full description.

This interactive Web site allows students to follow Echo as he migrates through Arizona. The adventure offers a directed and investigative approach to how land features look from space, what the colors mean in a Landsat image, and an introduction to identifying habitats in a false color Landsat image. The site is supported with a teacher's guide that includes the following units: Understanding Light, ... Full description.

This book explains the Earth system using three concepts: 1.The cycles of matter; 2.The flows of energy; and 3.The web of life. It then applies these concepts to real-life problems and issues that affect us and our planet. Full description.

This Web site brings together scientific content on Earth and space sciences with interdisciplinary content on the arts and humanities. Three levels of content are provided: students (K-12 through undergraduate), teachers, and browsing adults. The site includes documents, images, movies, animations, sounds, games, and data. Full description.