Read and find out about six simple machines—the lever, the wheel and axle, the pulley, the ramp, the wedge, and the screw—in this colorfully illustrated non

Emergent readers are introduced to simple machines and how we use them to move things.

Introduces six simple machines, describing how they work in more complex machinery and how they are used every day.

Updated for 2020, Emergent readers are introduced to simple machines and how we use them to move things.