nuclei combine causing massive releases of energy

an atomic nucleus splits, releasing a lot of energy

a SI unit of measure equal to 1000 cubic centimeters

property of a conductor that slows the flow of electrical current and might cause heat

Not all magnets need two opposite poles.

A closed circuit is needed for electricity to flow from negative to positive receptors.

Atoms are made up of neutrons, protons, and electrons. 

Magnets are used in speakers, copy machines, and door bells.

Protons and neutrons are found in the outer energy shell.

The Earth has a magnetic field which is strongest in the middle.

Hair dryers use more energy than refrigerators.

The biggest problem with nuclear energy is nuclear waste.

Some electrical energy sent through power lines is lost as heat.

You can get shocked by another person because static electricity is trying to become balanced.

_______ is the light-yellow nonmetallic element used in making matches and gunpowder.

Electric current is the flow of an ________charge through a conductor.

Unstable isotopes give off ___________.

Protons have a __________charge.

There is a _____________that holds particles together and makes them stable.