En el acuario (At the Aquarium) (Spanish Version)

Students will learn about the history of hot air balloons and they will also discover the importance of volume when calculating hot air balloon flight. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations. With a glossary, an index, dynamic images, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest content.

This book really measures up! It provides historical background and details about how length, distance, volume, weight, and time were measured in the past. An introduction to many of the necessary terms for a better understanding of measurement, such as scale, perimeter, and ruler is provided along with detailed photos and images to help the readers better comprehend the overall concept of measurement.

Eleven-year-old Jenny, whose family came from Russia to America to start a new life, meets the famous Russian composer on his 1891 trip to the New World and writes about it in her diary.

Young people are always interested in those in the community who make it run, especially uniformed heroes such as firefighters and police officers. This fun volume walks readers around town introducing them to community workers, including the mail carrier, dentist, and librarian. Carefully chosen photographs correlate with the achievable vocabulary and illustrate characteristics of each job.

Cuando Charles Darwin tuvo la valentía de embarcarse en el Beagle para dar la vuelta al mundo, sabía que esa odisea cambiaría su vida; pero no que su trabajo transformaría el panorama científico de su tiempo. En cooperación con la tripulación del barco, aquel viaje fue un camino de superación personal y profesional que le llevó, a su vuelta, a presentar con autonomía sus novedosas teorías acerca de la evolución, a pesar de la oposición que le esperaba.

"Este libro gigante con paginas desplegables y atractivas fotografias hara que tu hijo desarrolle su destreza manual y aprenda sobre todo tipo de maquinas"--From publisher's description.