<u>Answer:</u>
<em>John Travoltage is stimulation in which students across the world explore and learn about the </em><em>concepts of static electricity </em><em>including repulsion, grounding, and transfer of charge. </em>
<em>When </em><em>John Travolta</em><em> moved his finger farther away from the door knob, he got an electric shock.</em>
<u>Explanation:</u>
The overall John Travolta simulation shows the concept of creating an electric or static current when two bodies are <em>rubbed against one another</em>.
However, if it comes in contact with a third body that has an opposite or no charge at all, the <em>static charge will be neutralized. </em>
