Ejercicios de ortografía para la ESO

"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...

Isabel, una mujer que decidió ser la dueña de su propio destino..Hija menor de Juan II de Castilla e Isabel de Portugal, la pequeña Isabel contaba con escasas posibilidades de llegar al trono, destinado a sus hermanos varones. Vivió una infancia tranquila junto a su madre, ajena a las tensiones de la vida palaciega, pero la temprana muerte de su padre cuando ella contaba tres años, y la posterior enfermedad materna cambiaron su existencia de modo radical..Apenas una niña, con diez años su hermanastro el rey Enrique IV la obliga a separarse de su madre y vivir en la Corte, avispero de...

Now available in Spanish bilingual editions, this best-selling series offers big, brainy science for the littlest listeners. Accurate enough to satisfy an expert, yet simple enough for baby, this clever board book explores the ups and downs of gravity. When baby drops food from a high chair, why does it fall? Beautiful, visually stimulating illustrations complement age-appropriate language to encourage baby's sense of wonder. Parents and caregivers may learn a thing or two, as well!

Alexander Graham Bell was always trying to invent new things! In this biography that has been translated into Spanish, readers will learn about Alexander's life as a teacher and inventor of such incredible inventions as the telephone, record player, and metal detector. Colorful images, supportive text, an interesting timeline, and a helpful glossary, table of contents, and index combine to give readers an inspiring look into the life of Alexander Bell.