Ondas sonoras y la comunicación (Sound Waves and Communication)

Repleto de ilustraciones en 3D, Animales acerca al lector a un mundo en constante evolución para descubrir cómo vive y cómo se relaciona con su entorno cada habitante del planeta. Animales está lleno de divertidas curiosidades y datos relevantes de especies de todo el reino animal: desde las alas de un espectacular albatros a la majestuosidad del tiburón blanco, el libro es un repaso por todas las especies que conforman cada ecosistema por remoto que sea. Descubre todo tipo de animales, desde la diminuta pulga de agua hasta la gran ballena azul. Observa la vida animal en sus detalles...

It was September 14, 1814, and America and Great Britain were at war. Frances Scott Key watched from the deck of a British ship, where he was being held captive, as cannons exploded around them. After 25 hours, the fighting ceased and Key peered through the clearing smoke, looking for some sign as to the outcome of the battle. Was the American flag still flying? His wartime experience inspired Key to write a poem, which was later set to music and became America’s national anthem. This book tells the story of the inspiration behind our national anthem, which helped transform the flag into a...

Practice finding patterns while learning about music around the world! Many different musical instruments use patterns to make different sounds into rhythms, such as tambourines, drums, and flutes. This charming, Spanish-translated text uses vibrant images, engaging practice questions, and helpful mathematical diagrams to help young readers understand patterns and early STEM themes. Children will have fun discovering patterns that these instruments make and learning how to make patterns of their own with homemade instruments! This 6-Pack includes six copies of this title and a lesson plan.

¿Sabías que en el mundo aún existen lugares donde se piensa que la mujer es inferior al hombre? En las páginas de este libro conocerás a siete mujeres admirables que, en épocas en las que no tenían derecho a casi nada, se atrevieron a luchar por sus sueños y llegaron, incluso, a cambiar la historia.