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Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.
Número de páginas 32
PDF, EPUB, MOBI
4.4
87 Valoraciones Totales
Bored by her daily routine, Olga the sheep thinks outside the flock and ends up creating a wonderful surprise. Includes facts about sheep.
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 childrens 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,...
Daniel Hernández ayudó a salvar la vida de la congresista Gabrielle Giffords, y la experiencia de su vida es fuente de verdadera inspiración en estas sentidas memorias en español. “Yo no me considero un héroe”, dice Daniel Hernández. “Hice lo que cualquier otra persona debió haber hecho. Héroes son aquellos que dedican toda su vida a ayudar a otros”. Cuando Daniel Hernández tenía veinte años trabajaba como pasante con la congresista Gabrielle Giffords. El 8 de enero de 2011, durante un evento titulado “El congreso en tu esquina”, alguien le disparó a Giffords. La...
Learn How Dams And Levees Are Built As Well As The Effects They Have On River Systems In A Region, And Places Downstream.
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