Los ciclos de vida de los peces (Fish Life Cycles)

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.

A force is a push, a pull, or a turn. Every force has an equal and opposite force. Forces are always with you! They are all around us. Learn about forces with this Spanish science reader that features easy-to-read text. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.

Duelos, venenos, traiciones, perros sanguinarios y aborígenes altivos, entre otros, conforman el marco escogido por Gonzalo España para estos ocho relatos, concebidos magistralmente como un homenaje a la valentía y audacia de aquellos que dieron forma a nuestro legado histórico.

¿Cómo de grande es el universo? ¿Podremos algún día viajar a otras estrellas? ¿Qué es un agujero negro? ¡Descúbrelo con este libro! ¿Alguna vez has levantado la vista al cielo en una noche estrellada y te has dejado llevar por la imaginación? Igual en ese momento te has trasladado a mundos que van más allá de lo que podemos imaginar en la Tierra. Algunos con vida, puede que inteligente, y otros completamente inhóspitos e infernales. O quizá simplemente te has preguntado cuántas estrellas hay en la Vía Láctea. Si alguna vez te has hecho alguna de estas preguntas, este libro...

In Watch a Pumpkin Grow, early fluent readers learn how pumpkins grow. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn about how this plant is grown and harvested.