Señores, a vestir bien

What does swimming in a pool, drinking through a straw, breathing in air, and circulating blood all have in common? They all require a form of air or water pressure! Readers will discover the variety of ways that air and water pressure make an impact on our lives and the things in them. This fact-filled, Spanish-translated nonfiction title includes real-life examples and basic experiments to aid in the development of understanding physic and scientific concepts. Readers will be introduced to and learn about Archimedes Principle, atmospheric pressure, vacuums, water density, and hydraulics...

Como bien sabes, es común que todos nos relacionemos de una manera u otra; igual pasa con las ciencias que explican el mundo en el que vivimos, son como una gran familia. La Ciencia, en general, es como la abuelita; Matemáticas es la madre, trata de explicar cómo se formó el Universo con ayuda de sus hijas: Astronomía, la mayor; Geología, la que sigue; Biología, la hija sándwich, y las gemelas Física y Química, que no por ser las más pequeñas, son las menos importantes. Cuando la hermanas juegan entre ellas, crean otras ciencias interesantes en las que participan figuras de...

Enhanced with bright photographs, this book presents a collection of excerpts from the Pope's speeches and writings selected expressly for young readers to offer words of wisdom and guidance in life's journey.

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these sea giants face-to-face: The Archelon was similar to a turtle, but its shell was made of crossed rib bone covered in rubbery skin! The Mososaurs had huge pointy jaws and grew to be fifty feet long! The Ichthyosaurs looked a lot...