Fuerzas (Forces)

Explore the different types of ecosystems and biomes through this captivating Spanish book, featuring vivid images, charts and graphs, and interesting facts! Readers will be excited as they learn about the tundra, grassland, desert, and temperate forests, as well as riparian and pelagic biomes. A glossary, index, and an engaging experiment are included to help children further understand the content.

Introduce students to immigration in America in the 1800s, and how it affected the United States. With this Spanish-translated book, readers will discover topics such as Ellis Island, Angel Island, and assimilation. Primary source images, fascinating facts, a glossary, and other features keep students engaged and help them better understand the social studies content.

Read Along or Enhanced eBook: Discover the world of mammals in this delightful nonfiction title! Readers will learn all about different mammals--from primates to marsupials, and rabbits to whales, even omnivores and herbivores. Featuring vivid photos and charts, clear text, and stimulating facts, this Spanish-translated book will have children eager to learn all they can about mammals!

Read Along or Enhanced eBook: Take a journey into the wild world of reptiles and amphibians! Readers will learn about crocodiles, lizards, snakes, tortoises, and salamanders. Featuring a glossary, index, colorful images and charts, intriguing facts, and clear, informative text, readers will be sure to be enthralled as they move through this engaging, Spanish-translated book.

This high-quality Spanish-language book can be enjoyed by fluent Spanish speakers as well as those learning the language, whether at home or in a classroom. The MathStart series has sold over 1.5 million copies and combines math with fun stories that have real-life applications. In Jacob el constructor, a Level One MathStart, Math becomes child's play as young readers are introduced to the skill of counting on, a first step toward mastering addition. Dos bloques . . . más tres son cinco bloques . . . ¡más diez son quince! ¿Qué puede crear un niño con su imaginación? Este cuento sobre...

Martha Ann tiene 12 anos de edad cuando Papa logra reunir el dinero suficiente para librarla de la esclavitud. En 1830, la familia entera abandona el este de Tennessee para comenzar una vida nueva en Liberia. En los dias de mercado, Martha Ann contempla los barcos de la marina britanica que patrullan la costa liberiana para impedir que los cazadores de esclavos secuestren a su familia y amigos y les devuelvan a la esclavitud. Martha Ann decide dar personalmente las gracias a la reina Victoria por haber enviado a la marina. Pero primero tendra que hallar el modo de recorrer las 3500 millas que ...

Imagina el verano perfecto, lejos de un hogar en el que no estás a gusto, en un país diferente y lleno de posibilidades; viviendo en mitad del campo y en compañía de una familia que te quiere, enamorándote como nunca lo has hecho. Ahora imagina que un día estallan las bombas y que, junto a quien es el amor de tu vida, tienes que aprender a sobrevivir en medio de una guerra sin sentido. Puedes imaginarlo o leer esta novela.

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.