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Bring history home and meet some of the world's greatest game changers! Get inspired by the true story of a famous scientist who changed our understanding of physics forever. This biography series is for kids who loved Who Was? and are ready for the next level. In 1974, Stephen Hawking shook the world of physics. His theory on black holes went against everything the science community accepted as fact. How did he make such revolutionary discoveries? From a childhood spent building model airplanes to recognition as one of the greatest scientists of his time, Stephen's genius and endless...

LA ENCICLOPEDIA BRITÁNICA PARA NIÑOS. APRENDE Y DISFRUTA CON SU FORMATO REGALO. ¿Estás preparado para una aventura alucinante en el mundo animal? Adéntrate en las maravillas de la naturaleza con la increíble Enciclopedia Británica, la enciclopedia más reconocida y rigurosa del mundo. ¿Sabías que los primeros indicios de vida son de hace más de 3.700 millones de años? ¿O que más del 99,9 % de las especies que en algún momento vivieron se han extinguido? ¿Y que el tiburón de Groenlandia puede vivir más de 500 años? Conocerás a los animales más impresionantes, explorarás...

Every living thing you see is made up of tiny cells. Each of these cells has its own job to do. They work together to do everything an organism needs to stay alive. That's why biologists often call them the "building blocks of life." Learn all about plant and animal cell theory and structure with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. Introduce students to STEM topics and new vocabulary terms like osmosis, diffusion, organelles, and active and passive transport with this nonfiction book that is aligned to ...

The era of Anglo-American colonization, while brief, had a great impact on the development of Texas and the United States. Readers will discover what drew Anglo-American settlers to Texas, and what caused hostilities to rise between them and the Mexican Government. Frequent sidebars introduce readers to the key figures of this era.