Energía del viento (Wind Power)

Life Long Ago brings ancient civilizations to life and reinforces important early elementary social studies standards such as time, continuity, and change. Students will learn what daily life was like, how ancient peoples governed themselves, how they communicated, and how the influences of ancient cultures are still felt today.

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...

Ya los conocemos... Son Willy, Vegetta, Trotuman y Vakypandy. Los hemos visto combatir contra zombis, brujas y gigantes para proteger Pueblo y a sus habitantes. Después reconstruyeron su mundo y recuperaron la tranquilidad, tras enfrentar una nueva y extraña amenaza de la que, una vez más, salieron victoriosos. Superado el terrible ataque del báculo dorado, la calma ha regresado a Pueblo. Sin embargo, no hay descanso para Willy, Vegetta, Vakypandy y Trotuman: los cuatro amigos se disponen a emprender una nueva aventura para evitar que el Libro de códigos caiga en manos de un líder...

Go-Karts are a fun and thrilling way to hit the road! This exciting, Spanish-translated nonfiction title invites readers to explore different parts needed to build a go-kart, velocity, speed, and how to stay safe in this fun motorsport. Using detailed images, charts and diagrams, informational text, and interesting facts in conjunction with mathematical skills and upper-level features such as a glossary of terms, an index, and a chapter format, readers are sure to be engaged and excited from cover to cover!

These diaries feature the loves, friendships, and family lives of Pascualina and Aldonza, a.k.a Artilugia, providing positive messages and advice for adolescents. Each includes bookmarks, stickers, and plastic pocket pages for storing special items. This diary of Pascualina's younger sister, Aldonza, chronicles her attempt to reconnect with a lost love through the adoption of a gypsy alter ego, Artilugia. Estas agendas revelan los amores, amistades y la vida familiar de Pascualina y su hermanita Aldonza, también conocido como Artilugia, mientras proporcionan mensajes positivos y consejos...