La Energía Solar (Solar Energy)

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.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Hay ciertas palabras que son, ay, un dolor de cabeza. ¿Has o haz? ¿Tubo o tuvo? ¿Vallas o vayas? ¿Ves o vez? La maestra Evita E. Rores te da el remedio para que siempre, lo que se dice siempre, sepas cómo se escriben las cosas. -----------------------------------------------------------------------------------------------------There are certain words that, ouch, can be a real headache. Miss Evita E. Rores (aka Miss Write) gives you the everlasting cure so that you will always and forever remember how words are spelled.

Explores The Number Twelve With Relationship To Time, Counting, And Things That Are Sold By The Dozen.

Aprende a crear con plastilina todo lo que puedas imaginar, desde un gato hasta paisajes nevados. Con las técnicas y trucos que te da este libro, será muy facíl y rápido.

Read Along or Enhanced eBook: Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.