Introduces the classification of animals and describes how they are categorized according to their biological structures, behavior, and methods of reproduction.
Describes the alternative methods of generating energy instead of using fossil fuels, including solar power, wind power, and biofuels, and speculates on the future of alternative energy.
This series introduces simple science topics using everyday situations and objects that readers can recognize in the world around them. Activities and questions are presented to encourage active think
Henry Ford changed the way products were made using his breakthrough idea of utilizing the assembly line. Readers will love learning about the life of this amazing inventor who made cars available to
This series introduces simple science topics using everyday objects and situations that readers can recognize in the world around them. This title looks at light: what it does, where it comes from, wh
This series introduces simple science topics using everyday objects and situations that readers can recognize in the world around them. This title looks at sound: how sounds are made, how they travel,
This series introduces simple science topics using everyday objects and situations that readers can recognize in the world around them. This title looks at forces: what they are, what effects they hav
"This book explores the food chains and webs that exist in a mountain habitat. It equips readers with crucial vocabulary, using examples from that habitat to explain the roles of producers, consumers
"This book explores the food chains and webs that exist in river habitats. It equips readers with crucial vocabulary, using examples from that habitat to explain the roles of producers, consumers and
"This book explores the food chains and webs that exist in a desert habitat. It equips readers with crucial vocabulary, using examples from that habitat to explain the roles of producers, consumers an
"This book explores the food chains and webs that exist in an ocean habitat. It equips readers with crucial vocabulary, using examples from that habitat to explain the roles of producers, consumers an
"This book explores the rich food chains and webs that exist in a rain forest habitat. It equips readers with crucial vocabulary, using examples from that habitat to explain the roles of producers, co
"This book explores the food chains and webs that exist in a grassland habitat. It equips readers with crucial vocabulary, using examples from that habitat to explain the roles of producers, consumers
This book explores the food chains and webs that exist in an ocean habitat. It equips readers with crucial vocabulary, using examples from that habitat to explain the roles of producers, consumers and
This book explores the rich food chains and webs that exist in a rain forest habitat. It equips readers with crucial vocabulary, using examples from that habitat to explain the roles of producers, con
This book explores the food chains and webs that exist in river habitats. It equips readers with crucial vocabulary, using examples from that habitat to explain the roles of producers, consumers and d
This book explores the food chains and webs that exist in a desert habitat. It equips readers with crucial vocabulary, using examples from that habitat to explain the roles of producers, consumers and
This book explores the food chains and webs that exist in a grassland habitat. It equips readers with crucial vocabulary, using examples from that habitat to explain the roles of producers, consumers
This book explores the food chains and webs that exist in a mountain habitat. It equips readers with crucial vocabulary, using examples from that habitat to explain the roles of producers, consumers a
Presents information on how investigators use evidence at the crime scene to identify murder victims, determine the methods used by the killer, and discover clues to help them track down the person re
Introduces the life cycle of a dog, using a golden retriever as an example and describing various stages of her life, from newborn puppy to adult dog having puppies of her own.
Describes how methods of transportation add to global warming, introduces theoretical and current technology that reduces carbon emissions of vehicles, and explores how individuals can produce less ca
Examines possible alternative sources of energy for the future, discussing the problems of global warming, and the methods that could be used to obtain energy from wind, water, the Sun, the atom, and
