La reproducción de las plantas (Plant Reproduction)

La mayoría de cristianos profesos observan el domingo. Sin embargo, el pueblo judío (y algunas otras personas) guardan el sábado (Sabbat). ¿Era este día sólo para los judíos, o solamente para la antigua Israel? ¿Establece el Nuevo Testamento al domingo como el Día del Señor? — o ¿está el sábado aún en efecto? ¿Hace esto alguna diferencia? De ser así, ¿cuál día es el día de reposo cristiano? ¿Puede esto ser PROBADO? eso es lo que haremos en este libro, asi que le invito a leerlo...

En el acuario (At the Aquarium) engages students in reading about aquariums as they learn how to calculate volume. Volume helps aquarium designers figure out everything from the shapes and sizes of tanks to how much water is needed to fill them. This nonfiction Spanish text includes mathematical charts to help students practice calculations. With a glossary, an index, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest content.

Discover how the butterflies colors are made up of, how they eat, and how they become the beautiful insect you see today

Wildlife plays an important role in the environment. With the help of this engaging volume, readers of many ages and levels will learn all about many of the fascinating animals that inhabit the planet. They will find out what makes an animal an animal. They will also learn fun facts about some of their favorite creatures. Eye-catching photographs correlate closely with concise, accessible text that supports elementary life science curricula. A must-have for animal lovers, this informative book will be a popular addition to your collection.