the smallest particle that holds electrons, neutrons, and protons.
a matierial that can let energy pass through. EX: copper is used in electrical wires that power almost all of our buildings.
a matierial that can stop energy and send it back. EX: rubber is used to coat copper wires so you can touch it safely.
the positve charge in an atom.
the nuetral charge in an atom.
the negative charge in an atom.
a circuit in which if one item is removed, the others will stay on.
a circuit in which if one item is removed, all of the others will go out.