Inteligencia artificial: computadoras y máquinas inteligentes (Artificial Intelligence: Clever Computers and Smart Machines)

There's so much more to heat than hot and cold! How it moves, keeps us warm in the winter, and helps us cook our food is all part of this key science topic. Inside a colorful layout, the main text is written with struggling readers in mind, giving clear, concise explanations in understandable language to propel these readers to classroom success. Graphic organizers reinforce important topics for visual learners and those using the books as a "crash course" review of heat.

A foundered Victorian ship looking for the fabled Northwest Passage holds a secret in its icy grave... When Dirk Pitt of NUMAr is almost blown to pieces in a lab explosion, he suspects sabotage. The lab in question belongs to a scientist hoping to use a rare mineral to combat greenhouse gases - but who would want to destroy our one chance to save the planet? However, there are those who will do anything to control such a valuable prize. Pitt's investigations take him to the Arctic in search of a clue to the origins of this precious mineral. There he and NUMAr colleague Al Giordino must battle ...

Este libro te enseña acerca del acoso escolar. Aprenderás qué hacer si alguien te molesta a ti o a alguno de tus amigos en la escuela.

BILINGÜE. Todo niño aprende a leer de diferentes maneras y a su propio paso. Los libros de la serie, ¡Yo sé leer!, ayudan a desarrollar su habilidad para leer y su crecimiento spiritual a través de libros basados en historias y valores bíblicos y diferentes niveles de aprendizaje. En, David, la victoria gigante de dios, David no se ve muy fuerte al frente del gigante Goliat. ¿Podrá el ganarle la batalla con cinco piedras lisas y la fortaleza de dios?