Grade 4

Spanning an area in the Atlantic Ocean between Bermuda, Puerto Rico, and the southern tip of Florida, the Bermuda Triangle has been a mystery for over a hundred years. Many ships and aircraft More →

There are many different kinds of extra-sensory perception. Some people claim they can see future events. Other people claim they can see far-off events in their mind. Students will judge for More →

Cuba is a group of several islands. Long ago, one of the islands was called Treasure Island because it was a home base for many Caribbean pirates. Young readers will learn about life in… More →

Have you ever seen something in the sky that you could not identify? You wouldn’t be alone. Many people have reported seeing unidentified flying objects. Reports range from flying saucer… More →

Named after two soldiers who won the Medal of Honor, the Stryker is an armored combat vehicle that serves many roles in the United States Army. Strykers can carry troops, guns, and missiles.… More →

The sport of volleyball requires aggressive intensity. The ball can travel at speeds up to 88 miles per hour! In this book, children will learn the basic rules of volleyball, the necessary… More →

Loaded with guns, torpedoes, and guided missiles, Arleigh Burke Destroyers are always ready to protect U.S. Navy warships. Young readers will learn how these destroyers use the latest… More →

F-35 Lightning IIs are U.S. Air Force strike fighters that battle enemy aircraft to control the skies. Readers will track F-35s on active missions and study the high-tech weaponry and… More →

Part airplane and part helicopter, the V-22 Osprey hovers in the air as U.S. Marines jump behind enemy lines. Kids will learn about the V-22 Osprey’s vertical take-off and landing, defensive… More →

Ticonderoga Cruisers use their advanced Aegis System to defend U.S. Navy warships. Young students will join these guided-missile cruisers in action and read about the advanced weapons and… More →

Wedges are simple machines used to split, lift, or hold an object in place. Children will discover how wedges perform jobs for people and how they make everyday life easier. More →

Football is a hard-hitting game. From games in the back yard to high school to the NFL, people love to play and watch football. Kids will learn the history, basic rules, and equipment of… More →