Cómo funcionan las ruedas y los ejes

Storms are a fascinating topic and a great way to get young readers interested in science. This series uses simple text and dramatic, full-color photos to take students inside nature's powerful and deadly storms. Each book explains one kind of storm- what it looks like, how it forms, the damage it can do, and how people can protect themselves from danger.

Early readers learn about wings, wing anatomy, and animal flight in this Spanish-translated nonfiction title that features informational text, vivid photos, and a glossary to support instruction.

Provides The History Of Biofuels, Different Uses, Positive And Negative Characteristics, And How They Will Impact The Future.

Ecos, tímpanos, vibraciones y volumen. Vívidas ilustraciones y textos sencillosexploran la asombrosa ciencia del sonido. Cada libro tiene un glosario, actividades prácticas y fascinantes datos curiosos.

Los temas del libro responden a la programación de la Conferencia Episcopal Española para el curso 1o de la DECA, título necesario para dar las clases de religión católica en la enseñanza primaria y secundaria.