This engaging book explores the rock cycle with diagrams and detailed photographs illustrating the movement of rocks through their various states, including magma-formed igneous rock, metamorphic rock such as marble, and layered sedimentary rocks that build up over time.
Even though natural disasters often seem inexplicable, this text takes these destructive events caused by forces of nature and describes the fundamental science behind their occurrences. Information about historic natural disasters, as well as preparedness and rescue methods, benefits any reader who seeks to understand these global happenings.
When Gretchen, her twin brother Jason, their little sister Daphne, and a friend find their favorite swimming hole filled with green slime, they learn how the water became polluted and what can be done to clean it up.
Explains that water is necessary to living things, describes the water cycle, and discusses foods that contain water, foods made with water, and the importance of clean water for health.
This book explains the transfer of energy between living things known as the food chain in a way that allows any reader to grasp the scientific principles behind food chains and food webs. The diets of herbivores, carnivores, and omnivores are explained, as well as other types of diets, and the flow of energy between these groups.
Simple text, illustrations, and photographs provide an introduction to water, discussing how it is used, its states, the water cycle, and where it is found.
