Solvarviews.com is a private Web site maintained by scientist Calvin J. Hamilton, whose goal is to make high quality photographs of the planets and satellites available to the public on the Web. The Lesson Plans and Activities page of the site provides more than a dozen classroom activities with titles such as Comets, Convection, Impact Craters, Meteoroids and Space Debris, Eclipses, Life in the Universe, Moon Phases, and more. For example, the Convection activity provides several photographs and animations illustrating the subject, a full description, and several thinking questions for students to discuss and answer.