La geografía de California

Ice cream is a solid. But when it melts, it becomes a liquid. Solids can change to liquids and back again by melting and freezing. Read this Spanish-translated book to learn what happens when heat and cold and solids meet.

Discover patterns in everyday games! This charming, Spanish-translated title helps young readers recognize repeating patterns in common games like checkers, cards, board games, and jacks. Children will enhance their understanding of patterns and early STEM themes with engaging examples and featured "You Try It" problems. This 6-Pack includes six copies of this title and a lesson plan.

How do architects and contractors use math and geometry to help build a house? Readers will find out in this engaging, Spanish-translated nonfiction book that features bright images and charts, informational text, and intriguing facts that will familiarize children with construction, construction equipment and materials, and blueprints. This 6-Pack includes six copies of this title and a lesson plan.

If we could take a trip to the center of the Earth, what would we find? In this amazing book readers can do just that with the help of a special ship that can handle the extreme heat and pressure deep beneath Earth’s crust. Digging through a few miles of the crust is just the start of the nearly 4,000-mile journey to Earth’s core. Readers might be surprised to find that not all of the trip is through solid rock, as the intense heat does strange and amazing things to the material that makes up our planet!

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

El símbolo perdido, la novela más reciente de Dan Brown, se convierte ahora en un trepidante recorrido a través de ocultas obras de arte, cámaras y túneles secretos y templos de Washington, la capital estadounidense. Más de cien imágenes fascinantes que se muestran al lector y convierten la lectura en una experiencia de lujo. La aventura de Robert Langdon cobra vida a través de los escenarios menos conocidos de la capital estadounidense, revelando un mundo de misterios antiguos, historias sorprendentes y sociedades secretas. Esta edición especial ilustrada desvela todo un nuevo nivel ...

Todo lo que necesitamos saber sobre cómo podemos usar la energía y las dudas que podamos tener sobre ella, lo encontraremos en este libro. El volumen nos hará un viaje por lo más básico que debemos comprender sobre sus características principales, en las que encontramos los diferentes tipos que existen: eólica, hidroeléctrica, solar y nuclear. Las informaciones que se nos da, se van a dividir en cuatro puntos. En primer lugar se nos contará una historia, en segundo lugar se nos presentarán 20 preguntas y respuestas acerca de su uso y funcionamiento, luego vendrán una serie de...