El Antiguo Egipto

Five and counting! So far, astronomers have discovered five dwarf planets in our solar system. Pluto, which was once thought of as the ninth planet, is today classified as a dwarf planet. This book looks at the current dwarf planets, characteristics, size, and orbital patterns, as well as the three rules scientists follow to characterize these tiny, round space objects. Every day new discoveries are being made. Who knows how many dwarf planets we will find in the future! This book will allow students to understand that patterns in the natural world can be observed, used to describe phenomena, ...

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of algorithms and procedures. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how algorithms and procedures work in the real world. In this book, readers learn how to use instructions to build their own drone. This nonfiction...

Discusses the origins of tomatoes, the many different kinds, their uses in Latin America, their spread throughout the world, and tomato festivals.

Segunda edición, revisada, de este texto pedagógico, claro y coherente, concebido como un medio para aprender español como lengua extranjera pero cuyas propuestas descriptivas inéditas de la gramática le hacen también interesante al nativo. Su objetivo es acelerar al máximo el proceso de aprendizaje. Obra original que se echaba en falta para poder llevar a cabo una buena labor docente.