Fundamentos de energía solar fotovoltaica para los grados de titulaciones científico-técnicas

¡Estar atento! ¡Hay un tiburón! Aprenda todo sobre este famoso depredador y vea fotografías de color de la variedad de tipos, desde un pequeño cachorro (tiburón bebé) hasta un gran blanco. Los diagramas ayudarán a los lectores a identificar las partes del cuerpo de los tiburones, mientras que las preguntas de pensamiento crítico y otras grandes características ayudan a desarrollar habilidades de lectura de no ficción. Look out! There's a shark! Learn all about this famous predator and see full-color photographs of the variety of types, from a small pup (baby shark) to a Great...

Young readers will be inspired by this biography about the first woman to fly solo across the Atlantic. The appealing images, helpful text, and supportive timeline, glossary, table of contents, and index combine to create an engaging experience as readers learn about one of the greatest female pilots of all time. This 6-Pack has been translated into Spanish and includes six copies of this title and a lesson plan.

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.

"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 sea giants face-to-face: The Archelon was similar to a turtle, but its shell was made of crossed rib bone covered in rubbery skin! The Mososaurs had huge pointy jaws and grew to be fifty feet long! The Ichthyosaurs looked a lot...