Las Súper Ratas de Bart

Earthquakes can leave people and property in bad shape. At times, they can be deadly. Find out about the science of studying earthquakes and the men and women who track the movements of the ground below us. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is perfect for makerspace activities. It makes STEAM career...

Carlota decide empezar un diario sobre la violencia de género, un problema que hace siglos que existe pero que nunca ha sido tan visible como en los últimos años. A partir de testimonios que va recogiendo, algunos muy cercanos, y de información que recibe, como siempre, de parte de su madre, su abuela y su tía Octavia, Carlota escribe este diario azul que también habla de la violencia escolar y la violencia infantil. El diario azul de Carlota no es exactamente una novela ni tampoco un diario, sino un libro a caballo entre la ficción y la no-fi cción que trata todas estas formas de...

Until just over 150 years ago, northern Mexico extended thousands of kilometers farther than its current border with the United States. Many different indigenous groups flourished in that region before the Conquistadors arrived. What we know about their lives and customs is the result of archeological discoveries and the chronicles of the first Spanish priests and soldiers that had contact with them.

Describes which animals are loud and which are quiet, including such creatures as cicadas, whales, mice, and fish.