Siglo XXII: El futuro del espacio (22nd Century: Future of Space)

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...

In this stimulating, Spanish-translated nonfiction book, readers will discover the various types of friction--including rolling friction, sliding friction, fluid friction, and static friction--and the huge impact it has on nature, machines, and our lives. In addition, readers are encouraged to perform basic experiments to assist in the understanding of friction, kinetic energy, and water resistance. With real-life examples, colorful images, accommodating graphs and charts, and informational text, this title will inspire and engage children.

With every new feat, there is at least one big failure. Learn about some of the biggest technological feats and failures in human history in this fascinating, Spanish-translated nonfiction title that allows readers to discover some of the technological innovations that have made life easier. Featuring detailed images, charts, and graphs, informational text, and intriguing facts, children will be engaged and captivated from cover to cover! This 6-Pack includes six copies of this title and a lesson plan.

Animales al natural es un recorrido por un zoológico -uno portátil, además- en el que podemos observar animales a escala real. Las 21 fotografías que lo forman capturan y permiten examinar los detalles más sorprendentes de la fisionomía animal, desde la textura de la lengua de un tigre hasta las pestañas de un camello. el visitante de este libro podrá encontrar señalizaciones, ilustradas de manera creativa y lúdica, que contienen información básica de cada animal, como nombre científico, peso y dimensiones, además de otros datos menos conocidos y muy curiosos.

Each year, the Coles look forward to their family reunion. This year, the Coles are in charge of all the planning. They use two-digit subtraction in a lot of the planning, especially when deciding how much food to buy and figuring out how many people are coming. Look inside to see more subtraction in action!

Manual de campo para descubrir aves y pájaros. Observar y reconocer las aves en su medio natural, en libertad, diferenciarlas por el color y forma de su plumaje, por la silueta que tienen en vuelo o por su canto es una experiencia magnífica para realizar en familia, durante cualquier estación del año y en cualquier lugar de la península Ibérica. Esta guía de aves y pájaros presenta las 50 variedades de aves más comunes en nuestros humedales, bosques y riberas de ríos y estanques, litorales marítimos y extensas áreas de diferentes cultivos agrícolas, así como en algunas zonas...

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.