Las dos verdades

Did you know that gases have no size or shape? Gases can become liquids when they get cold. Discover more interesting facts in Gases, part of the States of Matter series of EYEDISCOVER books.

Brief biographies of well-known men and women, from ancient time to the present day, who made significant contributions in various fields.

Horns, Humps, Or Hooks Are Found On A Wide Assortment Of Animals. This Book Provides Information On How These Special Body Parts Are Used And Why They Are Important.

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...