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

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.

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.

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.

Hace veinte años, la represión provocada por la dictadura argentina hizo "desaparecer" a 30.000 personas. Hoy se sigue buscando esa memoria a través de los vivos que no olvidan a los que perdieron entonces. La historia de Estela es una más. Tan real que está sucediendo ahora mismo en muchas partes.

Esta colección constituye un sistema ameno y accesible para familiarizar a los niños con la lectura de cuentos y para acercarlos al mundo de la comunicación. Cada cuento propone el conocimiento de un fonema, que podrá identificarse de forma auditiva (al escucharlo en la mayoría de las palabras del texto) y visual (al ver la grafía de la letra destacada en color). La colección incluye propuestas de juego que inciden en aspectos como la comprensión e interpretación del contenido del cuento, la discriminación de sonidos y palabras, la asociación de imágenes a palabras, la conexión...

An eighteen-year-old pinball addict and a smart-mouthed girl who don't quite fit in with anyone else develop a special relationship.