Grade 7

With their awesome heights and unique architecture, skyscrapers have always captured people’s imaginations. Now there’s one more reason to admire these buildings: They’re going green!… More →

Explore a prairie dog’s town, built entirely underground! Prairie dogs create elaborate burrows with a system of connected chambers, tunnels, and entrances. Using communication and teamwork,… More →

High-performance engines make these boats capable of incredible speeds. Young readers will learn how powerboats are designed to reduce wind resistance in their goal of reaching the fastest… More →

Skaters race over the ice pushing the puck toward their opponent’s goal. Started in Canada, ice hockey has spread all over the world. Children will read all about the history, equipment and… More →

Concept cars are made to introduce new ideas and designs. They are first shown to the public at car shows. Young readers will learn about the history of concept cars, how concept cars are… More →

Soccer is one of the world’s most popular team sports and is the fastest growing sport in the United States. A player must kick or hit the ball with their chest or head. Only goalies can use More →

Visit an eerie underground city in a dark cave! Large colonies of bats live together in caves for warmth and protection. There may be up to 20 million bats roosting in just one cave! Not all… 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 →

From the front lines of battle to the recovery process at home,Combat-Wounded Dogsshines a spotlight on real-life dog heroes that have been injured while serving their country during wartime. More →

People around the world are going green—from building skyscrapers out of recycled materials to finding opportunities to use energy from the sun, wind, and water. In this eco-friendly… More →

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 →

Supersonic jets travel faster than the speed of sound. These jets are designed to maintain stability and function at very high temperatures. Kids will read about the technology, history, and… More →