Trayectoria de choque: Los asteroides y la Tierra (Collision Course: Asteroids and Earth)

Computer science is all around us, at school, at home, and in the community. Anyone can learn computer science, even at the elementary school level. This book delves into essential computer science concepts using age-appropriate language and colorful images. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience. The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.

Huracanes y tornados is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

In 1848, gold was discovered in California, attracting over 300,000 people from all over the world, some who struck it rich and many more who didn't. Hear the stories about the gold-seeking 'forty-niners!' With black-and-white illustrations and sixteen pages of photos, a nugget from history is brought to life!

Esta serie fue especialmente diseñada para ayudar a los alumnos de primaria a ejercitar la letra script y cursiva de manera sencilla, al remarcar y copiar trazos, letras, palabras y enunciados. En cada sección se trabaja con tres símbolos o letras, tanto en letra script como en cursiva. De esta manera se mejoran al mismo tiempo la escritura y la ortografía. Los textos incluidos buscan aportar también información interesante sobre lugares, cosas y personajes, así como ideas para lograr una mejor convivencia con los demás y para cuidar el medio ambiente. This series was specially...