Continue with Microsoft TeamsInclined Planes
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.
Inclined Planes
Simple machines help you do work. They make work easier. Less push or pull is needed.
A ramp is an inclined plane. It connects a lower place to a higher place. Inclined planes make lifting easier. They are simple machines.
A heavy box can be moved up a ramp and into a truck. Ramps can also help move objects down.
It is difficult to lift a box straight up. Pushing boxes up an inclined plane is easier.
There Are Many Inclined Planes
Cars drive on inclined planes to get to a bridge.
Skateboard ramps are inclined planes.
A ramp for wheelchair users is an inclined plane.
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