1. Make sure ateacher or other responsible adult is aware of your plans and has approved your intended studies _ '2. Work with at least one other student _ 3. Ensure that no equipment is operating in the household that would be damaged or would cause an individual harm if it were btiefly turned off. Part 2 : Electrostatics Investigation Rub the plastic rod from the electrostatics kit with the piece of wool _Touch the rod to the electroscope .what happens to the leaves on the electroscope ? 1ri'ilhat does this tell you about the charge on the rod ? Part 3: Cathode Ray Tube Investigation Set up the cathode raj,r tube according to instructions for your device _Move the horseshoe magnet around the cathode ray tube .What do you observe ? Part 4: Magnetism Investigation Roll out a large piece of white craft paper _ Lay a bar magnet in the middle of the craft paper _ Sprinkle some iron filings around the magnet and observe .Now try the experiment again with a horseshoe magnet instead of a bar magnet .What do the iron filings show you? Now move a magnetic compass to various positions around the magnet .What does the varying position of the compass needle tell you