Grade 4

Earth is a huge magnet with two magnetic poles. A magnet has an invisible force called magnetism. Children will discover what magnetism is and learn how magnets work. More →

Hit the wake and fly into the air in this thrilling introduction to wakeboarding. Students will explore the history of wakeboarding, the equipment required to wakeboard, how competitions are… More →

Gases, liquids, and solids are all matter. Everything that has mass and takes up space is matter. This book instructs eager learners about the different forms of matter and explains how… More →

Strong willpower turned a humble farmer named George into the first President of the United States. This book introduces children to the self-disciplined life of George Washington. More →

The human body produces sweat to keep itself at a healthy temperature of 98.6 degrees Fahrenheit. Young readers will discover hot and cold and learn the effects of temperature. More →

People get energy from food and use energy to exercise. This book teaches young readers about chemical and kinetic energy and explains how electricity and fossil fuels are energy sources. More →

Cruise down a snowy mountain in this basic introduction to snowboarding. Students will explore the origins of snowboarding, the different kinds of snowboards and the various competitions in… More →

Motocross racing has been growing in popularity since the 1950s. The technology and competitions have changed, but the fast-paced action has not. Students will learn about the history of… More →

Cruisers are the classic American motorcycle. Although these bikes are built for casual riding, they pack plenty of horsepower. Readers will explore the cruiser experience, learning about the More →

Did you know that you don’t remember all the sounds you hear in a day? Your brain lets you know what sounds are important to pay attention to. Students will discover how their ears allow them More →

Rosa Parks lived her life courageously. She refused to change bus seats because she was African-American. Children will discover the bravery of Rosa Parks during a time of racial segregation. More →

Explore the heart-pounding excitement as mountain bikers race over rugged terrain. Students will learn the difference between cross-country and downhill mountain biking, the technology behind More →