Mecánicos (Mechanics)

Even as the world changes, skilled labor will always be needed. There's nothing quite like the ability to create things with your skills and your own hands. Carpenters use their skills to build things we use every day, including items such as furniture, buildings, and bridges. They read building plans, choose materials, design, and create. This book teaches kids that to become a carpenter, you have to use a lot more than a hammer and nails; you need your brain too. Photographs and diagrams enable readers to make key connections with the text.

Correlated to the science curriculum, our Spanish-language series describes how the types of homes that different animals build reflect adaptations to their environments. Through simple, easy-to-follow text, each volume looks at each type of home as a shelter from predators and weather and a place to store food and raise young. Young readers also learn how animal homes and human homes fulfill similar needs and functions.

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.

¿Alguna vez te han sucedido cosas que no tienen una explicación lógica? ¿Cajones que se abren solos, cosas que se pierden misteriosamente, risitas que no se sabe de dónde vienen? A Víctor le acaban de poner gafas y desde el momento en el que sale de la óptica se da cuenta de que ve demasiado bien. ¿Por qué demasiado bien? Pues porque ahora ve unos bichos que antes le resultaban invisibles, los Krippys, que conviven con los humanos y que son responsables de muchas cosas que antes no entendía. Pronto aprende que hay Krippys de mil formas, pero Víctor les ve a todos algo en común y...

La señorita Carola y sus estudiantes se encogen del tamaño de una gota de agua y aprenden, de primera mano, como obtenemos agua pura.