Machinery & Tools

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 →

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 M109A6 Paladin is a large, mobile howitzer. It can fire rounds several miles to support ground forces. Readers will learn about the features that make the Paladin successful, how it… More →

Screws are simple machines used for many different jobs. The concept of a screw is used in snow blowers, drills, and presses. Kids will learn how screws work and how they are used in complex machines. 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 →

Levers are simple machines that make work easier. There are three different classes of levers. Students will learn what levers are, how the classes of levers differ, and how the construction… More →

Pulleys are simple machines used to lift and move loads. Builders use pulley systems to lift tools or materials. Elevators use pulleys to move up and down. Kids will learn how pulleys make… More →

Ramps are simple machines used for work and play. Workers use them for easy loading and unloading. Skateboarders use them to do tricks. Readers will learn how ramps make work easier and how… More →

Scrapers are big earth movers. They have a part that chops up the ground so that the ground can be scraped up and transported. See the whole process unfold in the pages of this introduction… 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 →

Skid steer loaders are small construction machines that can do many different jobs. They are very useful for working in small places. Follow a skid steer loader as it drills a hole, lifts up… More →

A new road needs to be built, but first a grader must flatten the dirt underneath. A grader uses a blade to push the dirt down and prepare the way for a new road. Students will discover other More →