Monthly Archives: October 2008
Posted on October11,2008 by Arbor ScientificEverybody loves the unforgettable, visceral thrill of a rocket launch. Whether it’s the Saturn V with 7.6 million pounds of thrust or a tiny model launched from your backyard, projectile motion can be studied and understood by students of all ages. In fact, many teachers conduct projectile motion demonstrations with water-powered or solid-fuel model rockets.
Posted on October1,2008 by Buzz PutnamOne of the most common questions asked by students is “Why is the sky blue?” or “Why is the Sun yellow?” The answer is found by understanding color science concepts and some basics of color addition. Assuming that the Sun is “white” as viewed from space (no atmosphere) and that the three primary colors of light (red, blue and green in equal hues, saturation levels, etc) compose the white color that is observed.