Strange behaviour of a pithball when charged with a rubbed rod: Testing Experiment

Aim

To apply knowledge of electrostatics to a particular situation.

Prior Knowledge

  • Electrostatics
  • Electric forces
  • Conductors
  • Insulators

Description of the Experiment

Watch the first video, record your observation with a picture and words. Explain the behaviour of the pithball. Predict what will happen if you touch the ball with your hand and then repeat the experiment. Explain your prediction. Then watch the second movie. Record the result and decide if you need to revise your explanation. Devise a new explanation if necessary.

Youtube movies can be stepped frame by frame using the , and . keys on your keyboard. If you want to download the movie to your computer, right-click or control-click HERE.

Youtube movies can be stepped frame by frame using the , and . keys on your keyboard. If you want to download the movie to your computer, right-click or control-click HERE.