Aullar, rugir, mugir y ladrar: Un libro sobre sonidos de animales (Howl, Growl, Mooo, Whooo, A Book of Animals Sounds)

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. They’ll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!

¿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,...

Durante décadas, los toques y chirridos de la guitarra eléctrica han sido algunos de los sonidos que definen la música popular. Pero tuvo que pasar más de un siglo de esfuerzo e innovación antes de que este instrumento fuera eléctrico. For decades, the blasts and howls of the electric guitar have been some of the defining sounds of popular music. But more than a century of effort and innovation had to happen before this instrument went electric. Learn about the master craftspeople who created the guitar as we know it, the inventors who figured out how to send guitar notes through...

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.