Simple Machines

Front

What is an inclined plane?

Back

An inclined plane is a flat surface that is raised higher at one end, used to move objects up or down.

Front

What simple machine is used to lift objects by pulling a rope?

Back

A pulley is a simple machine that helps lift objects by using a rope.

Front

What is a lever?

Back

A lever is a bar that moves around a fixed point to push, pull, or move things.

Front

What simple machine is a bar that pivots on a point?

Back

A lever is a bar that pivots on a fixed point.

Front

What is a compound machine?

Back

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

Front

What is a wedge?

Back

A wedge is a simple machine that is used to split or cut objects apart.

Front

What is a screw?

Back

A screw is a simple machine that is an inclined plane wrapped around a pole.

Front

What is a wheel and axle?

Back

A wheel and axle is a simple machine that consists of a wheel attached to a rod (axle) that turns together.

Front

How does a pulley help in lifting objects?

Back

A pulley changes the direction of the force needed to lift an object, making it easier.

Front

What is the purpose of an inclined plane?

Back

The purpose of an inclined plane is to reduce the amount of force needed to lift an object.