Thomas Edison

Describes the frogs, toads, and salamanders of Mexico's Yucatan Peninsula, looking particularly at the wide variety of adaptations found in the few species that dwell there.

Learn about the Earth and the Moon with this engaging Spanish science reader. With easy-to-read text, this book teaches students important scientific concepts and vocabulary including the phases of the Moon, the movement of the Earth around the sun, and the rotation of the Earth. Aligned to state and national standards, the book contains nonfiction text features like an index, a glossary, captions, bold font, and detailed images to keep students connected to the text. A hands-on science experiment helps students apply what they have learned and develops critical thinking skills.

Edith Stein Courant nació en 1891 en Bresláu (Polonia), en el seno de una familia judía de clase media. De carácter fuerte, alegre y voluntarioso, Edith pronto destacó en la escuela por su compañerismo e inteligencia. Su espíritu de superación la llevó siempre a buscar la verdad sobre el ser humano y el mundo. En 1921 leyó la autobiografía de santa Teresa de Jesús y tomó la firme decisión de convertirse al catolicismo. En 1934 se hizo carmelita descalza. Trabajó en estudios filosóficos sobre santo Tomás de Aquino y san Juan de la Cruz, mientras era perseguida por su...

Learn how zookeepers at the National Zoo keep the animals healthy and happy. This Spanish book features a hands-on STEAM challenge and uses real-world examples to give insight into how the engineering design process is used to solve problems.