Simple Machines

Front

What is a simple machine?

Back

A simple machine is a device that makes work easier by allowing us to push or pull with less effort.

Front

What are the six types of simple machines?

Back

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

Front

What is a lever?

Back

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

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.

Front

What is an inclined plane?

Back

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

Front

What is a wedge?

Back

A wedge is a simple machine that is used to split or cut objects apart, like a knife or an axe.

Front

What is a screw?

Back

A screw is a simple machine that consists of a spiral inclined plane wrapped around a cylinder, used to hold things together or lift objects.

Front

What is a compound machine?

Back

A compound machine is made up of two or more simple machines working together.

Front

What is efficiency in machines?

Back

Efficiency is how well a machine converts input energy into useful work.

Front

Can you give an example of a lever?

Back

A seesaw is an example of a lever.