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.

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.

You've only got one day to spend at the carnival-how do you make the most of your time? Students will learn how to measure time while reading about a fun-filled day at a carnival! This fiction Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary, index, and table of...

Provides an overview of the design, uses, weapons, and equipment of U.S. Navy submarines. Written in English and Spanish.

Presents a collection of poetry and lullabies by a number of Colombian authors and poets including Jose Silva and Eduardo Castillo.

¿Sabías que las medusas pican a sus presas? Aprende más sobre las fascinantes criaturas que viven en cada océano de la Tierra. Las fotos frescas y vibrantes involucran a los lectores jóvenes mientras construyen las primeras habilidades de lectura de no ficción. Zap! Did you know that jellyfish sting their prey? Read on and learn more about the fascinating creatures that live in every ocean on Earth. In this Spanish-language edition, carefully leveled text and fresh, vibrant photos engage young readers as they build early nonfiction reading skills.