| A | B |
|---|
| cleavage | when minerals split along a flat smooth surface |
| cold front | leading edge of a cold air mass |
| condensation | change from gas to liquid |
| conduction | transfer of heat from molecule to molecule |
| continental | air masses that develop over land |
| contour line | connects points on a map with equal elevation |
| convection | transfer of energy by currents |
| converge | plates move toward each other |
| core | innermost region of the Earth |
| crust | thin, outermost layer of the Earth |
| diverge | plates move away from each other |
| dewpoint | the temperature at which condensation occurs |
