Simple Machines

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 →

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 →

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 →