When an object such as a plastic spoon (a plastic ruler would work too) is rubbed on certain materials, it collects a charge of static electricity, which is positive or negative depending on the materials used.
(an object such as a plastic spoon; would work too; ) (the materials; used; ) (it; collects; a charge of static electricity, which is positive or negative) (a charge of static electricity; is; positive or negative)
an object such as a plastic spoon the materials it a charge of static electricity
would work too used collects is
a charge of static electricity, which is positive or negative
positive or negative