SIMPLE MACHINES

Front

What is friction?

Back

A force that slows objects down when they rub against each other.

Front

What is a wedge?

Back

Two inclined planes that come to a point to make splitting easier.

Front

What is a lever?

Back

A bar that pivots around a fulcrum.

Front

What is work?

Back

When a force moves an object.

Front

What is a screw?

Back

An inclined plane wrapped around a pole.

Front

What is an inclined plane?

Back

A flat surface that is tilted at an angle to help lift objects.

Front

What is a pulley?

Back

A wheel with a rope that helps lift heavy objects.

Front

What is a wheel and axle?

Back

A simple machine that consists of a wheel attached to a smaller axle.

Front

What is energy?

Back

The ability to do work or cause change.

Front

What is a fulcrum?

Back

The point on which a lever pivots.