Author Description

- Petersen explains a complex topic in a clear and easy-to-understand manner - Covers physical science and earth and space science as well as the technology of solar power - Describes the main features of a typical solar home - Provides current information on the latest technology National Science Standards, Grades K-4 - Physical Science: II. Content Standard B - Light travels in a straight line until it strikes an object. Light can be reflected by a mirror, refracted by a lens, or absorbed by the object. - Heat can be produced in many ways; heat can move from one object to another by conduction - Earth and Space Science: IV. Content Standard D - The sun provides the light and heat necessary to maintain the temperature of the earth.