Cómo podemos utilizar la palanca?

Young students will be enthralled with compelling portraits of famous figures who devoted their lives to improving the world. Includes historical photos and illustrations.

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

Define planos inclinados, explica sus funciones, y sugiere experimentos sencillos para demostrar cómo funcionan.

Follows The Thirteenth Amendment That Freed The Slaves, The End Of The War, And The Death Of President Abraham Lincoln.

Nicaragua is the largest country in Central America. Covered in thick forests, this tropical country was a part of the Spanish Empire for around 300 years. Become introduced to Nicaraguans and their way of life in this elementary title for young students.

Read Along or Enhanced eBook: Lights! Camera! It's time to explore the art of animation! This engaging, Spanish-translated nonfiction title allows readers to explore an exciting career as an animator. Readers will be introduced to the history of animation and find out what techniques and equipment animators used to turn their illustrations into the first animated shorts. Through stimulating facts, vivid images, sketches, photos, informative text, and an interview with a real life animator, readers will discover everything about animation, including character development, storyboarding, and...

Enciclopedia que descubre las curiosidades, costumbres y récords de los animales a través de espléndidas imágenes y rigurosos textos. ¿Quién es el animal más veloz?¿Cómo cazan los leones? Un libro que recoge, en definitiva, la lucha por la supervivencia en el mundo animal.

La oveja es un animal herbívoro porque se alimenta de hierba. Es vertebrado, es decir, tiene huesos. Es mamífero y como tal, nace del vientre de la madre y de recién nacido se alimenta de la leche de sus mamas. Tiene cuatro patas y un rabo. Su cuerpo está cubierto de lana que durante el verano se corta y a eso se le llama esquilar. La lana se utiliza para hacer prendas de vestir. De la oveja también aprovechamos la carne para alimentarnos. Un conjunto de ovejas se llama rebaño, su voz se llama balar y su casa redil. El macho es el carnero y las crías son los corderos. Este título...