Continue with Microsoft TeamsSimple Machines
Vocabulary
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Inclined Plane
An inclined plane can help move heavy objects. A ramp is an example of an inclined plane.
Lever
A lever can help move heavy objects such as heavy furniture or a large rock. When one side of a lever gets pushed down, the other side goes up. A seesaw is an example of a lever.
Pulley
A pulley is a simple machine that has a wheel over which a belt, rope, or chain is pulled to lift or lower an object. You can use a pulley to raise or lower blinds on a window.
Screw
A screw is an inclined plane twisted around a rod that can join, cut, lift, or push. A jar lid is an example of a screw.
Simple Machines
Simple machines make work easier and have few or no moving parts.
Wedge
A wedge is a simple machine that can push things apart by getting in between them. A saw is an example of a wedge. A wedge can also hold things together. A nail or doorstop are examples of a wedge that holds things together.
Wheel and Axle
A wheel and axle is a simple machine that can move objects across a distance. The wheel is the round part. The axle is the long part. A car has wheels and axles to help move.
Simple machines help you do work. They make work easier. Less push or pull is needed. There are six simple machines.
Inclined Plane
An inclined plane can help move heavy objects.
A ramp is an example of an inclined plane.
Lever
A lever can help move heavy objects such as heavy furniture or a large rock. When one side of a lever gets pushed down, the other side goes up. A toilet handle is an example of a lever.
Wedge
A wedge is a simple machine that can push things apart by getting in between them. A doorstop is an example of a wedge.
Wheel and Axle
A wheel and axle is a simple machine that can move objects across a distance. The wheel is the round part. The axle is the long part. A car has wheels and axles to help move.
Screw
A screw is an inclined plane twisted around a rod that can join, cut, lift, or push.
Pulley
A pulley is a simple machine that has a wheel over which a belt, rope, or chain is pulled to lift or lower an object. A crane is an example of a pulley.
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