Louis Pasteur

Defines levers, explains their functions, and suggests simple experiments to demonstrate how they work.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

Una de las cosas que provoca el sexo es que genera muchas preguntas. ¿Cómo masturbarse? ¿Cómo dar un buen beso? ¿Cómo intentar ligar con tu crush? ¡Entérate! es una guía práctica para dar respuesta a tus preguntas sobre sexo y tu sexualidad, y lo hace de una forma divertida, rápida y fácil de entender. Y para ello repasamos las prácticas sexuales más habituales, pero también te explicamos cómo prepararte y te hablamos sobre las relaciones. Así que si quieres conocerte mejor, saber más sobre el sexo, cómo es salir con alguien de una forma sana y disfrutar de tu sexualidad en ...

Este diccionario ilustrado presenta diferentes escenas de la vida cotidiana de Caillou. Los niños descubrirán con él el universo de Caillou: su habitación, sus juguetes, etc. Los niños disfrutarán observando los detalles de la ilustración, que representa una escena familiar. Después podrán nombrar los objetos que aparecen en la página y afianzar lo que han aprendido con divertidas actividades.

Introduce students to what it takes to be a good leader using this Spanish-translated nonfiction book. Engaging, primary source documents and images that support the text will inspire children to practice being a good leader! Early readers will build their literacy skills and social studies content knowledge while learning about leadership.

Learn more about the renowned British scientist, professor, and author who spent his entire career trying to answer the question: "Where did the universe come from?" Stephen Hawking was born exactly three hundred years after the death of the scientist Galileo, so maybe it was written in the stars that he would become a famous scientist in his own right. Although he was diagnosed with a neurological disease at age 21, Stephen did not let the illness define his life. Known for his groundbreaking work in physics, and identified by his wheelchair and computerized voice system, Stephen continued...