Libro de las Nubes

Find three-dimensional shapes in a fort! This fun title, that has been translated into Spanish, challenges children to find cylinders, cones, and pyramids in a fort while introducing them to terms like base, vertex, face, and more! Young readers will improve their STEM skills and learn how to recognize these three-dimensional shapes all around them! Vibrant images, clear examples, and helpful mathematical diagrams work together to make geometry seem easy and fun!

The Industrial Revolution brought important changes to America. People began migrating to cities for work, and immigrants began to arrive in American in larger numbers than ever before as they looked for new employment opportunities. Readers explore the impact of the Industrial Revolution on U.S. migration and immigration patterns. As readers learn about essential social studies curriculum topics, engaging historical images and detailed primary sources hold their interest. This transformative period in American history comes alive for readers with each turn of the page.

Terremotos y tsunamis 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.

PROBLEMAS "ACERTIJOS" MENTALES (300): Para resolver mentalmente, sin lápiz ni papel y en un tiempo prefijado, generalmente unos cuantos segundos. PREGUNTAS CON RESPUESTA (500): Preguntas cortas, todas ellas con respuesta, que generalmente nos dejan parado y no solemos contestar de forma rápida por temor a equivocarnos. Una vez vista la solución suelen parecer mucho más sencillas que al principio. Son las típicas de los concursos televisivos, en los que el concursante se pone muy nervioso, porque se le acaba el tiempo y no le sale a flote la respuesta. También pueden servir para jugar al ...