Netiqueta: guía de la etiqueta digital para el estudiante (Netiquette: A Student's Guide to Digital Etiquette)

In this stimulating, Spanish-translated nonfiction book, readers will discover the various types of friction--including rolling friction, sliding friction, fluid friction, and static friction--and the huge impacts it has on nature, machines, and our lives. In addition, readers are encouraged to perform basic experiments to assist in the understanding of friction, kinetic energy, and water resistance. With real-life examples, colorful images, accommodating graphs and charts, and informational text, children will be inspired and engaged as they read through this book. This 6-Pack includes six...

"Tengo derecho a expresarme" examina el derecho de todos los niños a expresar su opinión y a tomar partida en aquello que afecte a sus vidas, dondequiera que vivan y ya sean pobres, no tengan hogar, sean discapacitados o deban trabajar para sobrevivir. Examina los obstáculos que a veces los niños tienen que superar para lograr este derecho.

Examines prehistoric cave bears, including their biology, hunting techniques, and lifestyles. Discusses possible reasons for their extinction.

Each title introduces readers to one important position in American government, explaining the duties of the office, how someone reaches that office, and famous leaders who have held that office in the past.