Answer the following question given this paragraph: 

A laboratory instrument used to analyze and test for static charge is called an electroscope. Seen below, an electroscope consists of a metal knob connected by a metal stem to two very lightweight pieces of metal called leaves, shown in yellow. The leaves are enclosed in a box to eliminate stray air currents.


Q: What laboratory instrument is used to analyze and test for static charge?


A:
electroscope