Simple Machines

Front

What is a simple machine?

Back

A simple machine is a device that changes the direction or magnitude of a force, making work easier. Examples include levers, pulleys, and inclined planes.

Tags

NGSS.MS-PS3-5

Front

What are the six types of simple machines?

Back

The six types of simple machines are: lever, inclined plane, wedge, screw, pulley, and wheel and axle.

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Define a lever.

Back

A lever is a simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum. It is used to lift or move loads.

Front

What is an inclined plane?

Back

An inclined plane is a flat surface that is tilted at an angle to help raise or lower objects with less effort.

Tags

NGSS.MS-PS2-2

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Front

What is a wedge?

Back

A wedge is a simple machine that is used to split, cut, or separate objects. It has a thick end and a thin edge.

Front

Define a screw.

Back

A screw is a simple machine that consists of a cylindrical shaft with a helical ridge (thread) wrapped around it, used to hold objects together or lift materials.

Front

What is a pulley?

Back

A pulley is a simple machine that consists of a wheel on an axle or shaft that is designed to support movement and change the direction of force.

Front

What is a wheel and axle?

Back

A wheel and axle is a simple machine that consists of a larger wheel attached to a smaller axle, allowing for easier movement of loads.

Tags

NGSS.MS-PS2-1

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Front

What is a compound machine?

Back

A compound machine is a device that combines two or more simple machines to perform a specific task more efficiently.

Front

Give an example of a compound machine.

Back

A can opener is an example of a compound machine that uses a wedge, lever, and wheel/axle.