Inmigración (Immigration)

What is matter? Anything that takes up space is matter. Matter can be a water, liquid, or gas. These are the states of matter. Learn about matter with this Spanish science reader that features easy-to-read text. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.

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.

"A survey of the history of piracy and lives of pirates covers such specifics as the invention of the Jolly Roger, discipline aboard pirate ships, and pirate ruses."

The scientific charge of The Hot Zone and the epic thrill of Jurassic Park converge in this exhilarating new eco-thriller about a team of scientists and Navy SEALs stranded on an island in the Galápagos, fighting to survive an evolutionary catastrophe. The year is 2007. Through widening holes of ozone depletion, the tropical sun burns human skin to a crisp. Powerful earthquakes and monstrous hurricanes wrack South America, exploding Ecuador's already anarchic instability.

In the 1800s, a Choctaw girl becomes friends with a slave boy from a plantation across the great river, and when she learns that his family is in trouble, she helps them cross to freedom.

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.