The National Data Buoy Center maintains a current database of meteorological and hydrological data, historical data, and written information generated by the National Weather Service or received from other official sources. This site makes available in real time a selection of current official weather observations, forecasts and warnings from the Coastal-Marine Automated Network (C-MAN) stations and ... Full description.

The purpose of NASA's Earth Observatory is to provide a freely accessible publication on the Internet where the public can obtain new satellite imagery and scientific information about our home planet. The focus is on Earth's climate and environmental change. The site is divided into six main sections: Data and Images, Features, News, Reference, Missions, and Experiments. The Data and Images, Features, ... Full description.

The Earth Science Picture of the Day is an image archive that is hosted by the Universities Space Research Association in association with NASA's Goddard Space Flight Center with a record of entries beginning September 2000. Each image is accompanied by a descriptive text and links to relevant supporting websites. Keyword searching is provided. Browsing by related fields includes: agriculture, astronomy, ... Full description.

This web based story tells of Tutangiaq (nicknamed 2T), a Canada Goose, who flies across the remote state of Alaska looking for his family. As he flies, he tells children about this fascinating 49th state of the US. Children learn how Alaska was purchased from the Russians, and other amazing facts about the state. They compare Alaska to other states that they may be living in or visiting. 2T takes ... Full description.

This site is part of Visible Earth, which is hosted by the National Aeronautics and Space Administration (NASA), and contains a searchable directory of images, visualizations, and animations of the Earth. This section contains images sorted by the satellite or spacecraft that took them. Each image is available in a variety of resolutions and sizes, with a brief description, credit, and date. Full description.

This lesson plan is part of the DiscoverySchool.com lesson plan library for grades 6-8. It focuses on satellite technology and how it has changed the way information is transmitted. Students discuss this technology and then conduct interviews with people who recall what information technology was like before the advent of satellites. It includes objectives, materials, procedures, discussion questions, ... Full description.

This lesson plan is part of the DiscoverySchool.com lesson plan library for grades 6-8. It focuses on satellite images and how they are made by active, passive, and remote-sensing instruments. Students analyze satellite images and answer questions about them. Included are objectives, materials, procedures, discussion questions, evaluation ideas, suggested readings, and vocabulary. There are videos ... Full description.

NASA Image2000 is an image processing program developed by NASA Goddard Space Flight Center that supports the display, annotation, and analysis of scientific computer images on standard desktop computers. NASA Image2000 was developed using Java v.2 and Java Advanced Imaging (JAI) and can be run on a wide variety of platforms. NASA Image2000 is designed to meet the image processing needs of a wide ... Full description.

The purpose of this module is to familiarize students with the ERDAS Imagine image processing software system. A definition of remote sensing imagery, along with example imagery taken in different parts of the electromagnetic spectrum, is described. Resolution aspects of remote sensing imagery, in terms of spectral, spatial, radiometric and temporal information, are covered. Types of applications ... Full description.

In this lesson, students will learn that there are limits to what the eye can see and that a magnifying glass can help extend those limits. Students may have been exposed to optical technology such as glasses, magnifying lenses, or even periscopes, microscopes, and telescopes. This lesson aims to channel the inventive energy of students to increase their awareness and purposeful use of tools. They ... Full description.