Grades 2 - 5
People can visit a market to buy food, and animals look for food in the environment where they live. Plants, however, can't move around. So how do they obtain the nourishment they need to… More →
Some use the wind. Others need water. Some plants use furry animals, and others rely on hungry birds having a meal and then pooping after they have flown away. This title introduces young… More →
Many people believe that the United States Air Force’s F-22 Raptor is the most advanced jet fighter in the world. With stealth technology and powerful weapons, it can be used on a variety of… More →
What's the tallest tree in the world? How many thousands of years has the oldest plant on Earth been around? Which plant has the biggest leaves, or the largest flowers? In this title, young… More →
Predator drones can be used for reconnaissance missions or targeted attacks. Pilots control the drones from remote locations, keeping them safe from enemy fire. These unmanned aerial vehicles More →
In warm ocean water, a mother manatee gives birth to her single calf. So begins the life of a young manatee--one of the most unusual-looking marine mammals on Earth! In this coming-of-age… More →
The main gun on an M109A6 Paladin can fire up to four rounds every minute. Each round can travel up to 15 miles (24 kilometers). The Paladin has been the backbone of United States Army… More →
When the United States Army needs to attack an enemy base, Apache helicopters are called into action. These fast, maneuverable vehicles are equipped with advanced technology to deal with any… More →
Most plants have roots, stems, and leaves. Many grow flowers, seeds, and fruits. Some plants, however, have developed spectacular examples of these plant parts! From the longest roots in the… More →
An enemy ship is spotted 30 miles away from a United States Navy aircraft carrier. Sailors scramble to the deck to get F/A-18E/F Super Hornets airborne. Streaking into the sky, the Super… More →
Supporting Marines on the ground, the AH-1W Super Cobra performs a critical function for the United States Marine Corps. Loaded with weapons and capable of quick maneuvers, the Super Cobra is More →