El Secreto de La Piramide + CD

Introduce students to the natural ways that the Earth is constantly changing. This Spanish-translated book includes engaging, primary source documents and images that keep students reading as they build their literacy skills and social studies content knowledge. Informational text features help students navigate the text.

Plants are living things that grow and change. Over time, plants have made remarkable adaptations to suit the habitats in which they live. Simple text and beautiful images highlight how plants have adapted to life in the Arctic, in aquatic environments, and in other habitats such as those in deserts and grasslands.

(back cover) Un ¡rbol geneal3gico es el dibujo de un ¡rbol que muestra a tus antepasados. Ellos son personas de tu familia que nacieron antes que to. Tus antepasados son muy especiales, porque forman parte de tu vida y de tu historia. Dibuja un ¡rbol y p©gale fotos de miembros de tu familia, los mayores en las ramas de arriba, los menores en las de abajo, y to y tus hermanos en la base del tronco. Luego, escribe sus nombres bajo cada foto. ¡Y ya tienes hecho el ¡rbol de tu familia!

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.