En Espanol

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect...

The need for speed is the motivating factor in this engaging book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and...

True or False: The only reason to play sports is to have fun. False! They also offer opportunities for readers to learn and apply concepts and principles related to force and motion. Readers learn how...

How does a gas change to a liquid? Through condensation! Condensation is the liquid that appears on your bathroom mirror after a hot shower. It is the big gray clouds in the sky just before a rain. In...

How does a liquid become a gas? Through evaporation! Evaporation helps make puddles disappear after it rains. In this Spanish-translated book, learn all about evaporation and how it happens...

Learn all about planet Earth in this engaging, colorful title! Earth is our home. It is a big, beautiful place that orbits the sun. What else is there to know about Earth? Read this Spanish-translated...

A pond may seem quiet and subdued, but this unique ecosystem is filled with active life cycles. Students learn what distinguishes a pond from other bodies of water, the plant and animal life within...

Have you looked up into the sky on a clear night? What do you see? Tiny points of light? They are stars, of course. But did you know that there are many kinds of stars? Find out all about them in this...

Readers may list more differences than similarities when comparing floods and blizzards. But, they will discover they have one vital ingredient in common: water. Readers will learn the powerful forces...

There is a bright light in the sky. Sometimes it is round like a ball, and other times it is a crescent. Sometimes it is not there at all! What is this strange and changing thing? It is the moon, of...

If asked to define a forest, readers might say, "It has a lot of trees." But many places have a lot of trees. So, what makes a forest a forest? Readers discover that a forest is unlike any other biome...

Rainforests play an important role in the health of the world. Plants, animals, and people all depend on rainforests for many reasons. A tropical rainforest is filled with wonder and mystery, from the...