Cosmos en 3D

Interesting facts and experiments explore the dynamics of a race car engine to teach about air flow and drag, safety equipment and roll cages, the fuel system and horsepower, suspension and track bars, internal combustion, why race cars don't have speedometers, how roof flaps are designed like airplane wings, and more.

Based on the #1 New York Times Best-Selling series, this timeline of world history gives a fresh take on global events, from King Tut to Malala Yousafzai. Basada en la serie más vendida del New York Times, esta cronología de la historia mundial ofrece una nueva visión de los acontecimientos mundiales, desde el rey Tutankamón hasta Malala Yousafzai. For the first time ever, the Who Was? subjects are gathered into a single title! The Who Was? History of the World is a journey along the timeline of history, noting the birthdays of 150 people in the series and what was happening in the world...

How does a frog grow? Beginning as a tiny egg and then a tadpole, a frog stays mostly in the water until it is fully grown.

¿Quieres saber cómo eran las peleas de gladiadores, cómo se construían los acueductos o qué significan las palabras "Mare Nostrum"? Pues estás de suerte... ¡Hoy, los chicos de la Hispania del Imperio Romano serán tus guías particulares! Te llevarán por las calles de sus ciudades y te mostrarán el gran circo, los talleres de los artesanos, los mercados, los templos y mucho más. ¡Juntos aprenderéis cómo era un día en la vida de esta increíble civilización de la antigüedad! Escrito por Pedro Pérez, profesor y creador del canal de YouTube "El cubil de Peter", donde divulga...

Home is where the heart is. And more and more people are learning to love living in tiny homes. Most tiny homes are less than 20 feet long. Although it may seem small, tiny-house owners feel right at home in these small spaces. Learn all about the tiny home movement as you learn to compose and decompose shapes. This Spanish math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as...