1.
two elements with the same number of protons but different number of neutrons.
2.
measure of average kinetic energy of the particles in a material
3.
transfer of thermal energy from region of higher temperature to a region of lower temperature
4.
anything that has mass and takes up space
5.
charging an object without touching it
6.
the electric potential energy difference between two places on a circuit
7.
the invisible region around any charged object where an electric force is applied
8.
a circuit that is not complete and no energy flows through it.
9.
equals the number of protons or electrons
10.
change from solid to a liquid.
11.
the turning from a liquid to a gas
12.
the turning from a gas to a liquid
13.
explains how particles in matter behave.
14.
increase in a material's volume when temperature is increased
15.
energy contained within a system responsible for temperature.
