An introduction to weather that covers temperature, the water cycle, the atmosphere, seasons, climate, storms, and forecasting. Includes discussion questions, resources, a glossary, and an index.
Presents an illustrated discussion of global positioning systems (GPS), covering their development and uses for navigation, rescue, military operations, recreation, and geocaching, and contains a time line and glossary.
Photographs and simple text examine the harmful effects of animals and insects that are introduced to new habitats, discussing how they get there and ways to control invasive species, and describing examples from history.
Provides a global perspective on the Biodiversity issue while demonstrating the concept which encompasses the many forms of life on earth and their interdependence on one another for survival.
