Los Cinco Sentidos de Los Animales

¿Por qué hay estaciones? ¿Por qué cambia el tiempo de una estación a la siguiente? Irene y su hermano Bruno tienen mucha curiosidad. Acompáñalos en esta aventura y descubre con ellos las respuestas a estas y a muchas otras preguntas que quizá también tú alguna vez hayas querido conocer. Conoce cómo cambia el tiempo según cada estación y cómo se adaptan las plantas, los animales y los seres humanos a esos cambios. Incluye una guía para los padres, con mucha información.

Ever wonder how a balloon is made? Follow the journey of a balloon from its beginnings as gooey sap in a tree to its completion at a rubber factory. You'll be surprised to discover what a balloon started out as and how it becomes the bright, air-filled decoration that you enjoy today.

Dams change the landscape, providing reservoirs of freshwater and even producing electricity. Discover the engineering behind dams.

Teaches Young Readers About Shapes And Patterns Using The Seasons Of The Year And Pictures Of Nature.

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.