El ciclo de la roca (The Rock Cycle)

You've only got one day to spend at the carnival-how do you make the most of your time? Students will learn how to measure time while reading about a fun-filled day at a carnival! This fiction Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary, index, and table of...

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...

Acuérdate, María, novela de la última hora de vida de la Diva, donde quien nos habla es la persona que poco a poco se despoja del personaje, desnudando su memoria, recorriendo sus recuerdos, ajustando su historia sin prejuicios, sin miedo del juicio y la desnudez. Es la otra María quien está en estas páginas, es ella quien se confiesa. La que aparece cuando se apagan las luces del set y en la intimidad se mira al espejo, a veces sin reconocerse. Ahora, al final de sus horas, recuperando a la niña extraviada en su soledad, en la oscuridad de sus silencios los recuerdos de quien fue, de...

Introduces fruits, uses simple comparisons to explore this group, and offers suggestions for healthy eating.

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.