Globos aerostáticos (Hot Air Balloons)

This book really measures up! It provides historical background and details about how length, distance, volume, weight, and time were measured in the past. An introduction to many of the necessary terms for a better understanding of measurement, such as scale, perimeter, and ruler is provided along with detailed photos and images to help the readers better comprehend the overall concept of measurement.

En el acuario (At the Aquarium) engages students in reading about aquariums as they learn how to calculate volume. Volume helps aquarium designers figure out everything from the shapes and sizes of tanks to how much water is needed to fill them. This nonfiction Spanish text includes mathematical charts to help students practice calculations. With a glossary, an index, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest content.

Escritor, viajero y diplomático en Londres y Madrid, enemorado de Europa y sus viejas tradiciones, en particular de la mítica Al-Andalus, Irving nos ofrece en este volemen una luminosa biografía de Mahoma nacida de su conocimiento del mundo árabe y de la lectura del texto del historiador Abulfeda hallado en la biblioteca del convento de San Isidro de Madrid...

Un viaje interactivo para descubrir Sri Lanka, una isla en el Océano Índico, a través de su gente, vida salvaje, tradiciones, cultura, comida, historia, leyendas y deportes. El libro está completamente ilustrado a mano con objetos escondidos para buscar. Su páginas también tienen preguntas para que los lectores puedan relacionarse con lo leído. Pequeños y mayores lo podrán disfrutar juntos y explorar una tierra nueva a través de la belleza de la ilustraciones, animaciones y sonidos mágicos. ¡Vuela con tu imaginación! *Esta versión interactiva únicamente se puede leer con un...

What has a head, two tails, and shoots across the sky? A comet. Coming from the far edges of the solar system, most comets travel around the Sun, while meteors appear as flashing streaks of light in the night sky. Explore these amazing celestial wonders as they zip through space! This book looks at the difference between comets and meteors and their effects on Earth. The physical characteristics of each are identified in detail. This book won’t come crashing down! It’s filled with fun facts that give additional information on this exciting science topic. This book allows students to use...

¿Sabías que el mismo viento que te revuelve el cabello puede usarse para generar energía? Pero, ¿cómo exactamente se aprovecha el viento? ¿Y cuál es el efecto sobre el medioambiente? Lee este libro para aprender todo sobre la energía eólica. Did you know that the same wind that messes up your hair can be used to create energy? How exactly do you harness the wind? And what is the effect on the environment? Read this book to find out all about wind energy.