Energía del viento

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

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

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.

Uncovers the secret codes that different animal species use to relate to each other, revealing that communication among certain animals is not different from human communication.

Knowing when to say we're sorry means knowing when we've hurt someone, whether it was intentional or not. This is not always easy to do, especially for children. This book presents readers with a variety of relatable scenarios in which young people recognize the need for an apology. Readers follow Louis as he shares an embarrassing secret about Aaron with his other classmates, who make fun of Aaron. Louis feels bad for sharing Aaron's secret. What can he do? Each colorful spread presents a different real-life situation that will instill in readers the importance of knowing when to say, "I'm...

In this illustrated adventure, Hannah has a broken leg, and learns how her friends can be of great help. Books of the Neighborhood Readers Program build early literacy skills, introduce important content-area language, and help develop speaking and writing skills. They can be integrated into any existing language arts or core reading programs.

Volver al amor es una guía para un viaje espiritual, para aceptar el amor que nos hemos estado negando y alcanzar la paz interior. Y es también un manual para acercar lo milagroso a los problemas de cada día: el dinero, los trastornos de salud, las relaci