Experimentos sencillos con sólidos y líquidos

Life Long Ago brings ancient civilizations to life and reinforces important early elementary social studies standards such as time, continuity, and change. Students will learn what daily life was like, how ancient peoples governed themselves, how they communicated, and how the influences of ancient cultures are still felt today.

Introduces different kinds of light, the properties of light, and how light can create shadows of different shapes and sizes.

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 debugging. 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 debugging works in the real world. In this book, readers will investigate what's wrong with a circuit and find out how to fix the problem. This nonfiction book is ...

" Expresiones: Un Diario para las Adolescentes" es un libro que agradeceran todas las adolescentes o incluso preadolescentes. Los anos de la adolescencia y de la preadolescencia para las chicas son periodos en los que pasan por muchos cambios y tienen montones de experiencias nuevas. La mayoria del tiempo no quieren hablar con un adulto sobre lo que estan experimentando. Lo mejor que pueden hacer es anotar sus sentimientos y volverlos a repasar cuando pueden resolverlos mejor. Tambien es un buen modo para que ellas se den cuenta de como estan madurando durante ese periodo de tiempo en el que...