La antigua Grecia (Ancient Greece)

Algorithms might sound like a complicated tech term, but don't be intimidated, people actually use them every day. Using accessible language and full-color photographs, this book simplifies algorithms in an easy-to-understand way. Readers will be amazed to learn that an algorithm is just a set of steps for computers to follow to get things done. STEM topics from the Next Generation Science Standards are emphasized throughout the text. Sidebars featuring key terms help readers grow their tech vocabulary, and fact boxes provide additional opportunities to learn.

Antes era válido acusar a quienes historiaban el pasado de consignar únicamente las «gestas de los reyes». Hoy día ya no lo es, pues cada vez se investiga más sobre lo que ellos callaron, expurgaron o simplemente ignoraron. «¿Quién construyó Tebas de las siete puertas?», pregunta el lector obrero de Brecht. Las fuentes nada nos dicen de aquellos albañiles anónimos, pero la pregunta conserva toda su carga (Carlo Ginzburg).

In English and Spanish, teach children how to avoid potential dangers, ask for help, follow directions, use things carefully, and plan ahead. The world can seem like a perilous place. But even very young children can learn basic skills for staying safe in ordinary situations and preparing for emergencies. Without scaring kids (or alarming adults), this English-Spanish bilingual book about safety for kids teaches little ones how to avoid potentially dangerous situations, ask for help, follow directions, use things carefully, and plan ahead. Includes questions, activities, and safety games that ...

En 1926 el Frankfurter Zeitung propuso a Joseph Roth ir a la Unión Soviética y relatar su experiencia. Roth aceptó de buen grado el encargo puesto que el periplo que estaba a punto de emprender representaba la ocasión para conocer de cerca un país por el que siempre se había sentido atraído y que, tras la revolución, suscitaba también el interés de la mayoría de intelectuales europeos. Tras prepararse intensamente para el más largo de sus viajes como reportero, Roth partió al término del verano. Curioso, atento, avisado testimonio, visitó las grandes ciudades, siguió el curso...

Introduce students to the scientific method with this Spanish science reader that features easy-to-read text. This book teaches important scientific topics and vocabulary terms including hypothesis, data, experiment, conclusion, method, research, and more. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.