Nuestro viaje a la ciudad (Our Trip to the City) (Spanish Version)

Even the smallest tide pools are actually entire ecosystems! The creatures that call a tide pool home are connected through food chains that represent the passing of energy from one living thing to another. Readers discover how these unique food chains all come together as they view a helpful tide pool food web. Fun fact boxes accompany informative text about life in a tide pool. Detailed photographs of tide pool ecosystems introduce readers to a variety of cool creatures.

Descubre a 25 supercient�ficas que cambiaron el mundo y demostraron que �las chicas son de ciencias! #ChicasDeCiencias �Sabes cu�ntos descubrimientos cient�ficos debemos a las mujeres? Aunque en los libros de historia parezca que las ciencias son cosa de hombres, de eso nada: desde Agnodice, la primera m�dica conocida de la historia, hasta Rosalind Franklin, la qu�mica que descubri� la estructura del ADN, pasando por Vera Rubin, la astr�noma que vio lo que nadie ve�a, las mujeres han sido pioneras en ciencias desde el inicio de los tiempos. Y aun as�, �podr�as...

The ancient Polynesians were amazing navigators who traversed the Pacific Ocean and settled in its many islands. How did they travel such extreme distances and know where they were going without the use of modern technology like smartphones, satellites, or even magnetic compasses to guide them? Learn the answer to these questions in this Spanish book that uses real-world examples to illustrate science concepts. Created in collaboration with the Smithsonian Institution, this Informational Text builds reading skills while engaging students' curiosity about STEAM topics. Packed with factoids and ...

While the Great Depression was indisputably a difficult period in American history, it did lead to certain developments that we still benefit from today. One for the most significant examples of this is Social Security, which helps a whole generation of retired Americans. The book offers a concise description of the Great Depression, including analysis of its causes and its effects. Chapters focus on different aspects of the period, including culture, the arts, and science and technology. The dynamic design displays images of posters and experiences from the Depression era. This informative,...