If everything is OK, you now have an electroscope for detecting static electricity!
From the al.com
You might want to move the electroscope across the screen in a criss-cross pattern.
From the al.com
A type of electroscope is also used in the quartz fiber radiation dosimeter.
From the en.wikipedia.org
They will travel through the metal parts of the electroscope, including those inside the jar.
From the al.com
The glass jar and plastic cap you will need to make an electroscope do not conduct electricity.
From the al.com
The catcher was attached to an electroscope to measure its charge.
From the en.wikipedia.org
The electroscope can also be charged without touching it to a charged object, by electrostatic induction.
From the en.wikipedia.org
If high-frequency light shines on the cap, the electroscope discharges and the leaf will fall limp.
From the en.wikipedia.org
The electroscope showed a negative charge, proving that cathode rays really carry negative electricity.
From the en.wikipedia.org
More examples
Measuring instrument that detects electric charge; two gold leaves diverge owing to repulsion of charges with like sign
An electroscope is an early scientific instrument that is used to detect the presence and magnitude of electric charge on a body. It was the first electrical measuring instrument. ...
A fairly simple device comprised of a metal rod with two thin leaves attached to one end. If the electroscope is given a negative charge, the metal leaves will separate from each other. ...