NASA
Nasa: Heliophysics: New Science of the Sun Solar System Connection
This site from NASA lists common and uncommon misconceptions about Sun-Earth Science. Site also provides links to activities and lesson plans as well as background reading.
Annenberg Foundation
Annenberg Learner: Teachers' Lab: A Private Universe
This section is dedicated to educators to become expert instructors on topics like: distance between Earth, the Sun, and the moon, the phases of the moon, and reason for the seasons. Site includes information about how to address...
Other
Catholic Educator's Resource Center: The Galileo Affair
Online essay concerning the battle between Galileo and the Catholic Church over the issue of heliocentrism, or, whether the sun or the earth is at the center of the universe.
Annenberg Foundation
Annenberg Learner: Science in Focus: Energy: Energy in Food
A video workshop examining how the Sun provides energy for all living things beginning with the process of photosynthesis. Presents current scientific thinking about energy transfer through the food chain as well as ways to deal with...