El dinero y el comercio en nuestro mundo: Read-Along eBook

Louis Pasteur, Carlos Juan Finlay, Lynn Margulis, Margarita Salas, Jean-Jacques Muyembe, Francis Mojica, Katalin Karikó... Científicos y científicas que han cambiado nuestra vida son los protagonistas de este emocionante recorrido por la historia de la ciencia. Hoy todos conocemos la vacuna contra la covid-19, pero nadie se tomaba en serio a Katalin Karikó, la científica que la hizo posible, cuando empezó sus investigaciones. Igual que ella, los cazadores de microbios a lo largo de la historia se han enfrentado a menudo a la incomprensión y la indiferencia. Armados tan solo de...

In this inspiring biography, readers will learn about the incredible journey of Helen Keller. Using informational, Spanish-translated text and expressive images and photos, readers will discover the undeniable determination that Keller had as a young deaf and blind girl and how her teacher, Anne Sullivan, helped her to read, write, speak, and graduate from college. With a timeline, a bibliography, and a glossary of terms, children are given the tools they need to expand their knowledge about this fascinating and inspiring woman. This 6-Pack includes six copies of this title and a lesson plan.

Spanish Student Edition offers the complete Student Edition in Spanish to meet the needs of Spanish ELL students.

Rabbit burrows play an important part in the life of a rabbit. A burrow provides a place to live, a place to raise baby rabbits, and a place to stay safe from predators. This volume, which was written to support elementary science curricula, examines the role a burrow plays in the survival of a warren, and how that in turn helps rabbits contribute to ecosystems around the world. The text’s age-appropriate, science-rich content focuses on rabbit behavior and encourages readers to draw connections between what they learn in science class and what they see outside. This text is complemented by ...