Los sólidos (Solids)

Readers will be amazed to discover that every time they climb onto bicycles and ride like the wind, they are defying gravity! This book explains the physics and history behind bicycles, skateboards, and surfboards. Readers learn what happens from the simplest movement of rolling forward to more complex tricks and stunts of jumping and spinning. Readers will never look at bikes, skateboards or surfboards the same way again.

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

¡Una nueva aventura de Laura y Unicornito! El segundo libro de ¡Zarola Kids! ¡Hola, zarolitas! Me llamo Laura y soy una niña de lo más normal. Voy al cole, me gusta estar con mis amigos, tengo dos perros geniales y un canal de YouTube con mi padre. Bueno, esto no es MUY normal, pero, ¿sabéis qué es todavía más alucinante? Después de la aventura con el Diario Mágico, Unicornito me la ha vuelto a liar. Por su culpa hemos acabado cada uno en el cuerpo del otro... ¿y os podéis creer que ha llenado la libreta de deseos absurdos? Tenemos que arreglar esto como sea... y para ello...

La fiesta de las estaciones recoge los mejores cuentos, poemas, tradiciones, adivinanzas y juegos para descubrir los cambios que nos depara cada estaci�n del a�o. A veces da la impresi�n de que el a�o se repite: estaci�n tras estaci�n salen del mismo escondite los meses y las semanas... Pero los ni�os lo saben: hoy no es igual que ma�ana, las estaciones son fiestas. Las estaciones de a�o son algo que suscita un gran inter�s por parte de los ni�os. Cada vez que un peque�o curioso pregunta por qu� existen diferentes estaciones podemos explic�rselo de muchas maneras....

In this book, children will learn about different kinds of homes, such as houses, apartments, and mobile homes, as well as the purpose of each room within a home. Questions about the reader s home help children connect the information to their own personal experiences.