Conduction, Induction, Friction

A charged object means that the object has.... (select all that apply)

• more electrons than protons

• more protons that electrons

• the same amount of protons and electrons

• everything is charged

In conductors, electrons are free to move around. In insulators electrons are....

• bound to the nucleus

• free to move but not as well as in conductors

• bound to the atom as a whole

• free to move as well as conductors

List two examples of a conductor.

List two examples of insulators

Conduction happens through _______ and results in two object having the ______ charge.

• touching, same

• touching, opposite

• indirect contact, same

• indirect contact, opposite

Induction uses an object that has a(n) ______ charge.

• equal

• opposite

When charging an object with induction you can touch the charged object to the neutral object.

• True

• False

The only way to charge an insulator is through

• induction

• friction

• conduction

Explain why you sometimes get shocked when you touch someone else or a metal door knob. (Use your knowledge of charges)