Simple Machines Review

Front

What is a screw?

Back

A screw is an inclined plane wrapped around a cylinder or a cone.

Front

What is a wheel and axle?

Back

A wheel and axle is a simple machine in which either a wheel turns an axle or an axle turns a wheel around a central pivot.

Front

What is a wedge?

Back

A wedge is a simple machine that is used to separate two objects or portions of an object.

Front

What is an inclined plane?

Back

An inclined plane is a flat surface that is tilted at an angle to help lift objects.

Front

What are the six types of simple machines?

Back

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

Front

What is a lever?

Back

A lever is a simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum.

Front

What is a pulley?

Back

A pulley is a simple machine that uses a wheel and a rope to lift or lower objects.

Front

How does a lever work?

Back

A lever works by using the fulcrum to multiply the force applied to lift an object.

Front

What is the purpose of a simple machine?

Back

The purpose of a simple machine is to make work easier by allowing us to apply less force over a greater distance.

Front

Can you give an example of a screw in real life?

Back

An example of a screw in real life is a jar lid.