Photographs and simple text introduce readers to various polar environments and the people who live there. Includes a glossary and a list of resources.
Looks at what life was like in ancient Egypt, explains what people did, tells where mummies come from, and discusses similarities between ancient Egyptian and modern cultures.
Identifies renewable and nonrenewable sources of energy, focusing on solar power, explaining what it is, how it works, and its role in meeting the energy needs of the future.