Uses the adventures of a helium electron that escaped from a balloon to provide information on the element, the composition of the atmosphere, the origins and u

Eddie the Electron introduces children to basic concept of atoms. --

Lively assignments include: Energy: The Choice is Yours Rain, Rain, Go Away My Fossil's Older Than Your Fossil Spend Some Time in the "O" Zone Death of the Sun

Ancient monuments all over the world - from the Pyramids of Giza, to Mexico, to the ancient sites of China - are also awakening, reacting to a brewing crisis no

Anatomy and Physiology 2e is developed to meet the scope and sequence for a two-semester human anatomy and physiology course for life science and allied health