El ciclo del agua (Earth's Water Cycle)

¿Qué significa migrar? Descubra qué animales migran y por qué migran a través de fotografías detalladas y texto simple. What does it mean to migrate? Discover which animals migrate and why they migrate through detailed photographs and simple text.

What does swimming in a pool, drinking through a straw, breathing in air, and circulating blood all have in common? They all require a form of air or water pressure! Readers will discover the variety of ways that air and water pressure make an impact on our lives and the things in them. This fact-filled, Spanish-translated nonfiction title includes real-life examples and basic experiments to aid in the development of understanding physic and scientific concepts. Readers will be introduced to and learn about Archimedes Principle, atmospheric pressure, vacuums, water density, and hydraulics...

Newton's laws aren't the easiest science topics to digest. Struggling readers likely find understanding them even harder. This volume breaks down the topics of force and motion to its most basic and understandable parts, perfect to introduce to readers having a hard time or students looking to review for class. Written in succinct language, each chapter contains fact boxes and graphic organizers to aid all readers as they move from speed, to velocity and on.

If you look close enough, a butterfly can grow up right before your eyes. Through the use of accessible text, readers take an exciting look at the journey butterflies make. A picture glossary helps beginning readers strengthen their vocabulary skills, and vibrant, full-color photographs show caterpillars grow to adulthood, taking flight to travel around the world.

What would happen if the Moon disappeared? We would try every possible way to get it back. As in everyday life, this book shows us that the answers to our problems are sometimes so close we just can't see them.