La naturaleza de la materia (The Nature of Matter)

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.

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.

The Earth is a remarkable place! In the universe, Earth is the only place that we know for sure has life and non-life. Learn all about interdependence in ecosystems with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. Introduce students to STEM topics and new vocabulary terms like oxygen cycle, stimuli, homeostasis, and micro-organism with this nonfiction book that is aligned to state and national standards. The leveled text supports students reading at above-, below-, and on-grade level. The fun lab activity...

Teach students about trading and buying goods and services. In this Spanish-translated book, readers will learn about supply and demand, and learn the difference between wants and needs. Featuring images that support the informational text, students will build social studies content-area literacy and reading skills.

Mackentor fue una constructora con sedes en Córdoba y Buenos Aires, que los militares ocuparon el 25 de abril de 1977 con la excusa de que financiaba a una organización guerrillera. Nunca se les pudo probar vinculación alguna con las organizaciones armadas de la época. Se trató de un montaje que persiguió el objetivo de quitarle la construcción del Segundo Acueducto Villa María – San Francisco, una de las principales obras de públicas que se construían en Argentina en la década de los 70’, y entregársela a la empresa Supercemento. Entre ejecutivos, empleados y familiares, la...

Todos los secretos sobre los astros y su influjo sobre nuestra vida y nuestras emociones. La Luna es una maestra de los ciclos vitales. Al igual que ella, todo se transforma, oscila y cambia irremediablemente. Y, como ella, no puedes escapar del constante juego de luces y sombras. Todos los ámbitos de tu vida tienen su noche. Tus relaciones, tus actividades, tu mente y tus emociones atraviesan periódicamente una fase oscura. Este libro te mostrará que todos los ciclos siguen el modelo de las fases de la Luna. Si comprendes el periodo natural de las cosas, tendrás un mapa del tiempo....