This lesson provides an introduction to the use of the sun's energy. Topics include the history of solar energy usage and its more recent adaptations. There is also discussion of how the sun produces and radiates energy,...

This site, created by Phil Goode of New Jersey's Science and Technology University, investigates new ways to measure the earth's albedo (reflected sunlight). The incoming sunlight and the albedo have a significant...

This is the culminating activity in the series of lessons on renewable energy. It serves to reinforce the idea that renewable sources of energy are necessary for a sustainable future, and to discuss some of the present...

The Solar Data Analysis Center at NASA's Goddard Space Flight Center provides access to space solar physics data, solar research, solar images, and links to other relevant sites. The site is maintained in attempt to...

Today we will explore some of the multiple topics related to the flow of energy in ecosystems. Energy is used up and lost as heat as it moves through ecosystems, and new energy is continually added to the earth in the...