What is electricity? (10min)

1) Which subatomic particle is responsible for electricity?

• proton

• electron

2) The movement (or flow) of electrons forms an

• electric current

• Electric resistance

4) An atom's charge can be changed

• when it gains or loses electrons

• when it changes its number of neutrons

• when it gains or loses protons

8) Materials, like metals, with loosely bound valence electrons are known as

• conductors

• insulators

12) What is moving from the negative end of the battery to the positive end?

• atoms

• protons

• electrons