El Universo

Alex Chico -- Urbano Pérez Sánchez -- Fernando de las Heras -- Angela Sayago Martínez -- Ursula Rodríguez -- David Yáñez -- Fernando Pérez Fernández -- Julián Portillo -- Francisco Fuentes -- Víctor Martín Iglesias -- Víctor Peña Dacosta -- Angela Cayero -- Francisco José Najarro Lanchazo -- Antonio Rivero Machina -- Patricia Amigo

1969. Un hombre decide emprender un viaje a Oriente para buscar allí la sabiduría, la espiritualidad y la felicidad que Occidente le niega. Deja a sus espaldas, a la mujer con la que ha compartido todos los sueños y las desilusiones de la Década Prodigiosa.

Readers will be amazed to discover that every time they climb onto bicycles and ride like the wind, they are defying gravity! This book explains the physics and history behind bicycles, skateboards, and surfboards. Readers learn what happens from the simplest movement of rolling forward to more complex tricks and stunts of jumping and spinning. Readers will never look at bikes, skateboards or surfboards the same way again.

What is matter? Anything that takes up space is matter. Matter can be a water, liquid, or gas. These are the states of matter. Learn about matter with this Spanish science reader that features easy-to-read text. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.