¿Por qué hibernan los animales? (Why Animals Hibernate)

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

Theaterstück in spanischer und teilweise englischer Sprache für die spanische Theatergruppe der AAU Klagenfurt.

Este libro ilustrado para niños y jóvenes provee información sobre muchos aspectos del estudio del espacio exterior incluyendo telescopios, viajes espaciales, astronautas, satélites artificiales, estrellas, planetas, y otras maravillas del universo.

One of the most popular narrators of his time, Arthur Conan Doyle, was a visionary man with attitudes which were far ahead of his time. In this book we will know in depth his biography, his work, beyond the creation of the illustrious Sherlock Holmes, and his spiritualistic inquisitiveness.

«Preparándome para mi primera cacatúa ninfa» es una guía para ti y tus hijos, para ayudarles a saber cómo prepararse antes de traer a casa su primera cacatúa ninfa. A diferencia de la mayoría de los libros acerca de ninfas, éste no trata de cubrirlo todo, pero se enfoca en lo que necesitas tener listo para iniciar tu nueva vida en compañía de tu ave. Con este libro lleno de anécdotas e imágenes, conocerás la vida con cacatúas ninfa a través de mis muchos años en compañía de ellas. ¡Un libro divertido para cualquiera que ame a los animales! Los temas abarcados incluyen:...