Experimentos sencillos con sólidos y líquidos

The asteroid belt between Mars and Jupiter is an intriguing area of our solar system. Scientists have counted over 670,000 known asteroids there, but there could be millions more not yet found. Readers will discover much more about the asteroid belt in this highinterest book, which blends science and math. They'll read about several topics, such as space missions to the asteroid belt and the difference between an asteroid and a planet, and solve associated math problems-just like actual space scientists do!

Más de 150 fotos de animalitos acompañadas de textos sencillos que te descubrirán todos los misterios de la vida silvestre.

“Dino” Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children’s books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these small dinosaurs face-to-face: Little Lesothosaurus was the length of a house cat! Epidendrosaurus could climb into trees like a squirrel! Liaoceratops had body armor and horns-and was only the size of a collie dog! Plus,...

Esta selecci n de versos del poeta tapat o Ricardo Y ez pretende llevar a los ni os a aprender la poes a en su m nima expresi n. Cada doble p gina compone un par de versos con una imagen de gran fuerza po tica hecha mediante un collage Para ofrecernos una met fora de los versos en un estilo impresionista. Letra y color se amalgaman en una propuesta po tica pensada Para ni os y todos aquellos que se inician en la poes a.