What is a force? How do forces make things move--or stop? How does the force of gravity affect life on Earth? Find out the answers to these questions and much more. More →

What is light and how does it help us to see? What is reflection? How does light form shadows? Find out the answers to these questions and much more. More →

What is a magnet? Why are some materials magnetic? How does a compass work? Find out the answers to these questions and much more. More →

What are materials? What are the properties of a material and how do these vary? What is the difference between natural and human-made materials? Find out the answers to these questions and much more. More →

What are solids? How are they different from liquids and gases? How can they be changed? Find out the answers to these questions and much more. More →

This informative book teaches students basic information about the continents. They will learn the continents' names, landforms, and locations, as well as about directions on Earth, how close More →

This stimulating series offers highly readable explanations of the basic principles of human, animal, and plant genetics. This vital science has revolutionized the way we look at inheritance… More →

Early readers will be introduced to the math concept of shorting and counting items in categories. Simple text and vibrant images will engage early readers and aid comprehension. Includes a… More →

Eating is a daily part of our lives. We often eat without any thought about what we are putting into our bodies and how it affects us. Learn about sugar and its impacts on our health.… More →

Let the European expedition begin! The continent of Europe includes more than 40 countries and is home to some of the most interesting landforms on Earth. Concise text, easy-to-read maps, and More →