Continentes de la Tierra (Earth’s Continents)

Every living thing you see is made up of tiny cells. Each of these cells has its own job to do. They work together to do everything an organism needs to stay alive. That's why biologists often call them the "building blocks of life." Learn all about plant and animal cell theory and structure with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. Introduce students to STEM topics and new vocabulary terms like osmosis, diffusion, organelles, and active and passive transport with this nonfiction book that is aligned to ...

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.

Esta historia empieza una mañana de esas en que te aburres más que Spiderman en un descampado. Sabes de lo que te hablo, ¿verdad? Parece mentira que el día comenzara así... ¡y acabara con una de las aventuras más épicas de mi vida! Todo fue muy rápido: ver a ese desconocido entrar en su base secreta, colarme tras él sin ser visto... ¡e inventarme el reto de sobrevivir allí sin que me descubra! ¡A tope de pócimas de invisibilidad! ¡Venga escondites aquí y allá! En el momento me pareció divertido, pero nunca podría haber imaginado la montaña rusa de locuras que se me venía...

Getting bored is impossible with this book in your hands: it is the definitive game book. It contains more than 100 games with which to challenge the neurons of the smartest children, from naval battles where strategy is everything to sudoku puzzles or math challenges, through memory games and minesweepers ... among many others.