Planetas rocosos: Mercurio, Venus, la Tierra y Marte

Ser cortés, tener buenos modales, y mostrar bondad a los demás es el tema de este libro. Da a diferentes situaciones y circunstancias en las que la cortesía es importante.

Readers will learn about arachnids, insects, arthropods, and even parasites in this fascinating, Spanish-translated nonfiction title. Featuring photos of these tiny creatures (some up to 100 times their normal size!), informational text, a glossary, and an index to aid in vocabulary development, this book will have children eager to learn more about these tiny creatures and the big impact they have on human life!

The American Southeast stretches from the Atlantic Ocean to the Gulf of Mexico, including the states of Georgia, Florida, Louisiana, and Alabama as well as parts of Virginia and Maryland. But before that region was divided into states, native groups lived there. From how they found food to what their spiritual beliefs were, the book’s main content presents the traditional lifestyles of the Seminole, Choctaw, and Creek peoples, and the other groups that lived in the southeast. Readers learn even more from fun fact boxes and the historical images and full-color photographs that show what...

In this Spanish-translated script, travel back in time to when the Declaration of Independence was written. Students will act out the roles of the writers, experiencing the thoughts and feelings they had while creating this revolutionary document. This script includes roles written at various reading levels, allowing teachers to implement differentiation and English language learner strategies into their instruction. This feature allows teachers to assign each role based on their students' individual reading levels, encouraging everyone to get involved in the same activity. Whether students...

Más del 90% de la biodiversidad del planeta Tierra son microorganismos. Por otra parte, la idea que tiene la gente de los microbios no puede ser más negativa: son unos seres arteros, sigilosos y nocivos que aprovechan cualquier ocasión para ponernos enfermos, y que, incluso, pueden causarnos la muerte. Pero los microbios, también realizan el reciclado de los elementos químicos, producen el oxígeno que respiramos, nos permiten digerir los alimentos y nos defienden de muchas enfermedades. Los microorganismos aportan a la biosfera muchos más beneficios que inconvenientes. Para empezar a...