Grade 4

The MH-53J Pave Low’s main mission is to pick up and deploy troops behind enemy lines. It flies low to the ground and uses advanced technology to sneak in undetected. Young learners will find More →

We use wheels and axles several times every day. Young readers will learn how a wheel and axle work together, how they make work easier, and how they are used in larger, complex machines. More →

The United States Navy uses the Super Hornet to carry out bombing missions and to protect the fleet. Young learners will read about the Super Hornet in action, the history of the Super… More →

People swim for many different reasons—recreation, exercise, or competition. The goal of competitive swimming is to be the fastest in a variety of events featuring different strokes. Kids… More →

Tennis is a popular recreational sport played by many people, but it is also played professionally in tournaments all over the world. Young readers will learn the basic rules of tennis, the… More →

People of all ages love to play and watch the game of baseball. It has been a part of American history for around 150 years. Young readers learn the history of baseball, learn how the game is More →

The United States Air Force uses B-1B Lancers as strategic bombers. A B-1B Lancer can carry over 125,000 pounds of bombs! Kids will discover the history of the Lancer, the technology behind… More →

The M2A2 is an infantry fighting vehicle (IFV) used by the United States Armed Forces. It transports, assists, and protects infantry. Students will learn about the history and technology… More →

The B-52 Stratofortress has been in service for over fifty years. It is a model of consistency for long-range bombers. Readers will explore the technology behind the B-52, the weapons it… More →

Roads become slick when freezing rain falls. Drivers can easily lose control of their vehicles and crash into each other. This book introduces children to unpredictable ice storms by… More →

The F-14 Tomcat was the pride of the United States Navy for over thirty years. Students will discover the technology behind this jet fighter that made it such an effective weapon. More →

Winter winds blow snow at 35 miles per hour or more for at least three hours during a blizzard! Young readers will learn how blizzards form and why blizzard conditions temporarily shut down… More →