Provides step-by-step instructions for science projects using household materials that show how things move under different conditions and explains the science behind the experiments.
The main feature that defines a flat is a bottom that slopes gently to the shore with very few, if any, steep drop-offs. In some lakes, a flat may be very small and shallow, say eight inches deep, or
Looks at the problem of ozone layer depletion, its causes, and the health effects that solar radiation has on the skin, as well as ways that the problem of ozone layer depletion can be addressed.
"Provides step-by-step instructions for activities demonstrating biology concepts and scientific explanations of the concepts presented"--Provided by publisher.
Presents a history of monster lore in American popular culture, from legendary beasts, like Bigfoot, to present day creatures, such as the Montauk Monster.
Describes various types of fuel cells and their functions, looks at some of the obstacles that stand in the way of using hydrogen fuel cells as a source of alternative energy, and discusses the future
