Terremotos y tsunamis

Reptiles y anfibios is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

Huracanes y tornados is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

There is a contest at a school to design a new playground. The students use blocks to build their models. As they build, they use three-dimensional shapes. Some students build a train out of blocks for the younger students to play on. Can you guess which three-dimensional shape they use for the train's wheels? Read to find out which design wins.

“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 horned dinosaurs face-to-face: Torosaurus had the biggest skull of any animal ever! Pentaceratops had five sharp horns on its head! Styracosaurus was as big as an ice cream truck! Plus, you'll get to know Centrosaurus,...

Tus padres se han separado y vives en dos casas, lo que no está mal... salvo cuando sí lo está. Por ejemplo, cuando no sabes dónde están tus cosas. O cuando tu madre tiene una serie de normas y tu padre otras. O cuando pierdes una y otra vez los deberes o tus vaqueros favoritos, y el chico o la chica que te gusta últimamente no sabe dónde localizarte.Si te sientes identificado con esta situación, este libro es para ti. Te enseñará cómo negociar con tus padres las cosas que necesitas, además de ayudarte a ser un experto en hacer el equipaje, a organizarte, ahorrar dinero y ser un...

«Vivimos en este planeta como si tuviéramos otro, y olvidamos que la tierra no nos pertenece: nosotros le pertenecemos a ella. Somos hijos de la tierra, y la tierra confía en nosotros.» Estamos en un momento único en la historia. Y este libro, cuyas palabras brotan de las voces de Jane Goodall, Jacques-Yves Cousteau, David Attenborough, Greta Thunberg o Félix Rodríguez de la Fuente, nos recuerda que debemos cuidar y amar nuestro hogar, porque de esto depende nuestro futuro.