¡Cepíllate los dientes!

Different types of birds eat different things to live. Some birds eat worms. Some eat fish. Find out what different birds need to eat to live. Paired to the fiction title Hungry For Worms.

It takes different parts to build a house. The floor is built first. Walls need to be added next. Windows and doors, too. Learn about the steps it takes to build a house. Paired to the fiction title We Have a Box.

The Earth is made up of shapes. The shapes make up landforms. Find out about all of Earth’s landforms. Paired to the fiction title A Long Car Ride.

A team helps each other. A team works together. A team communicates. Find out how to be a team player. Paired to the fiction title My Favorite Sport.

Blue is a beautiful color, and it's all around us, as this volume demonstrates. Readers are presented with multiple vivid hues of the color blue through recognizable objects, such as flowers, fish, and blueberries. They'll also be able to practice their vocabulary while reading comprehensible sentences. They can demonstrate their understanding of the color concept by completing the activity at the end of this book.

Most young astronomers know that Earth is located in the Milky Way galaxy, but they might not know what that means or what lies beyond. Understanding our galaxy and others will help them comprehend more about how the universe works. Your readers will discover many amazing and memorable facts about galaxies, including their differing shapes, numbers of stars, and constant movement. They'll especially love the mind-boggling images of the depths of space.

La ambición, el afán de poder y el deseo de dominio de unos pocos pueden provocar la falta de entendimiento entre los pueblos y, con ello, desencadenar guerras. Fernando Almena, uno de nuestros más prestigiosos y representados autores de teatro juvenil, ofrece con su soltura, amenidad y humor, más que una obra pacifista, una crítica al trasfondo de las injustas situaciones que originan el enfrentamiento entre los pueblos.

¿Qué es un “experimento mental”? Como nos dice Martin Cohen, «al igual que los que se realizan en el laboratorio, son pruebas que se conciben con el fin de explorar (o de destruir) las intuiciones que tenemos sobre el funcionamiento del mundo». Este libro imprescindible para todos los amantes del saber, desde los científicos a los filósofos, recopila los 26 experimentos de esta clase más interesantes realizados a lo largo de la historia. Y no es poca sorpresa, para empezar, enterarnos de que toda la ciencia moderna se sustenta sobre los modestos cimientos que establecieron media...