La Energía Solar (Solar Energy)

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

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

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

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.

What substance can act like both a solid and a liquid? Slime! Want to find out how to make your own? Just follow the simple steps inside this book

What’s the difference between a seal and a sea lion? These “second cousins” of the sea look similar, but there are many ways to tell these creatures apart. From ear shape to the noises they make to communicate, seals and sea lions are amazing creatures with both shared features and many truly unique attributes. They both share an ocean habitat, but when readers take a closer look, it’s easy to discover how they each fight off predators, mate, and raise their young in different ways. Captivating full-color photographs help to bring these marvelous mammals to vivid life.

Sitting Bull first went to battle at the age of 14. He grew to be widely respected for his bravery and insight, and became chief of the Lakota nation in his thirties. By the time he met General Custer at the Battle of Little Big Horn, his courage was legendary. Though he soundly defeated Custer, public outrage at the defeat brought thousands of cavalrymen to the area, where it took four more years before the brave chief would surrender. He was forced onto a reservation where he was later killed when police attempted to arrest him.

¡Descubre a los artistas que cambiaron nuestro mundo! Empuja, tira y desliza las escenas para aprender sobre sus inspiradoras vidas y su increíble trabajo. En este título de la colección Mis primeros héroes, los más pequeños descubrirán algunos de los artistas más importantes de nuestra historia, como la pintora barroca Artemisia Gentileschi, el pintor postimpresionista Vincent van Gogh, la pintora surrealista Frida Kahlo y el artista de pop art Andy Warhol. Los libros con el sello Pequeñas Manitas están pensados específicamente para los lectores más pequeños de la casa....