10 cosas que puedes hacer para ahorrar electricidad

¿Por qué los limones amarillos flotan y los verdes se hunden? ¿Se pueden limpiar monedas con un limón? ¿Cómo puedo escribir un mensaje secreto con su jugo? Estas preguntas y muchas más encuentran su respuesta en este libro de actividades alrededor del limón. Cada doble página propone experimentos con materiales comunes en la cocina que llevarán al lector a descubrir conceptos como las partes de un limón, las reacciones químicas que hacen que el calcio se disuelva o que se corte la leche, sus propiedades antioxidantes o cómo exprimirlos mejor. Así, este sencillo texto,...

The Spanish-language edition of Wilma Unlimited. Before Wilma was five years old, polio had paralyzed her left leg. Everyone said she would never walk again. But Wilma refused to believe it. Not only would she walk again, she vowed, she'd run. And she did run--all the way to the Olympics, where she became the first American woman to earn three gold medals in a single olympiad.

Read Along or Enhanced eBook: Inform readers of the dangers of smoking with this fact-filled, Spanish-translated nonfiction title. Through helpful diagrams, detailed images, and truthful facts, readers are given the tools and information to educate themselves about smoking, tobacco, addiction, and the health problems that smoking can cause. With informational text, an index, glossary of terms, and list of websites, children are encouraged to say no to smoking, to peer pressure, and learn what steps they can take to help prevent others from starting.

Encourage students to earn money for themselves with the examples in this Spanish-translated book! Young readers will learn the basic concepts they will need to make choices about spending or saving money they have earned. Engaging, primary source documents and images keep children reading as they build their literacy skills and social studies content knowledge.