Atoms and electric charges

_____________ move around outside the nucleus.

• Protons

• Electrons

• Neutrons

All matter is made up of ____________.

• atoms

• material

• air

If there are the same number of protons and electrons, an atom is

electrically ______________.

• positive

• neutral

• negative

Protons have a ______________ charge, while neutrons have no

charge.

• positive

• negative

Negative charges and positive charges ____________ each other.

• repel

• attract

Charged particles result in ________________.

• electricity

• atoms

Static electricity flows through a circuit.

• True

• False

Lightning is an example of current electricity.

• True

• False

Examples of good electrical _________ are plastic, wood and rubber objects.

• conductors

• insulators

An electrical circuit does NOT allow electrons to flow through a path.

• True

• False