El cielo nocturno

Three Quarters Of Our Earth Is Blanketed By Water. How This Water Is Used, From Bathing To Irrigating Crops Is Addressed. That Water Travels In A Never-Ending Pattern Called The Water Cycle. Tips On How To Conserve Our Most Important Natural Resource Are Included.

This Ever Popular Subject Is Explained In Detail In This Wonderful Book. How The Earth Is Made From Rock, The Three Different Types Of Rock And How They Are Made And Where They Can Be Found. Talks About How Fossils Are Formed From Sediment And What Role That Plays In Helping Us Learn About Life Long Ago. Talks About How These Fossilized Plants And Animals Became The Fossil Fuels That Are So Important To Our Present And Future Life On Earth.

Automobiles are an essential part of life for many, but few really understand how that car arrives in their garage in the first place. This book takes an exciting look at just how interesting that process is, from the design phase in an engineer’s office to the floor of a factory where it is assembled piece by piece by both people and machines. Full-color photographs bring the process to life in vivid detail, and a step-by-step how-to guide explains how readers can even build their very own model car.

"Some things are so huge or so old that it's hard to wrap your mind around them. But what if we took these big, hard-to-imagine objects and events and compared them to things we can see, feel and touch? Instantly, we'd see our world in a whole new way." So begins this endlessly intriguing guide to better understanding all those really big ideas and numbers children come across on a regular basis. Author David J. Smith has found clever devices to scale down everything from time lines (the history of Earth compressed into one year), to quantities (all the wealth in the world divided into one...

Pop. Una palabra que ha conquistado el mundo. Tres letras. Un vocablo capicúa que refleja el complejo universo de la música popular de este siglo. En una segunda lectura, a pesar de su estructura capicúa, el término encierra, a los ojos del profano, algunas contradicciones. Al tratarse de música para el pueblo ¿por qué el lenguaje musical que la argumenta se presenta cada vez más y más hermético? ¿Es inevitable el uso de un sinfín de anglicismos, que espantan al aficionado, y sacralizan al especialista? La información musical es cada día más exclusiva de un grupo de entendidos...

"ÅQuâe significa estar enojado? Aunque el enojo no sea agradable, Æes una emociâon que todos sentimos! Los niänos aprenderâan a identificar el momento en que estâan enojados y câomo manejar sus sentimientos. Las fotos grandes y expresivas ayudan a ilustrar câomo se ve el enojo. Se incluye una actividad de reflexiâon que permite a los niänos explorar sus sentimientos"--