¿Qué son los peces? (What Are Fish?)

Alex Chico -- Urbano Pérez Sánchez -- Fernando de las Heras -- Angela Sayago Martínez -- Ursula Rodríguez -- David Yáñez -- Fernando Pérez Fernández -- Julián Portillo -- Francisco Fuentes -- Víctor Martín Iglesias -- Víctor Peña Dacosta -- Angela Cayero -- Francisco José Najarro Lanchazo -- Antonio Rivero Machina -- Patricia Amigo

¿Por qué? Es una colección de libros cuyo objetivo es el de resolver cuestiones "espinosas" que los niños plantean a sus padres. Este libro trata el tema de la interculturalidad.

Why do some things heat up quickly while others don't? How can heat cause matter to change form from solid to liquid to gas and back again? Heat cannot be seen, but it can easily be felt. Looking at different objects' molecular makeup, this book describes the fundamentals of heat and furthers understanding through a series of easy experiments.

This Spanish-translated book will be a hit with both thrill seekers and with those who prefer to stay safely on the ground. After an introduction to Newton's three laws of motion, readers learn the mechanics of various amusement park rides including roller coasters, Ferris wheels, merry-go-rounds, and gravity rides. They learn how to measure motion, and how kinetic and potential energy apply to their favorite rides. This 6-Pack includes six copies of this title and a lesson plan.