| A | B |
|---|
| Air pressure | The force of air molecules pushing on a area. |
| Weather | The condition of the earth's atomosphere at a particular time and place. |
| Global winds | Winds that travel thousands of kilometers in steady patterns. global winds last for weeks. |
| Jet stream | A wind that flows in the upper troposphere from west to east over distance at great speeds |
| Radiation | Energy that travels across distances in the form of electromagnetic waves. |
| Convection | A circulation pattern in which material is heated and rises in one area, then cools in another area, flowing in a continuous loop. |
| Conduction | The transfer of heat energy from one substance to another by direct contact. |
| Ultraviolet radiation | Radiation of higher frequences than visible light, which can cause sunburn and other types of damage. |
| Ozone | A gas molecule that consists of 3 oxygen atoms tht forms a thin layer of the atmosphere that absorbs ultraviolet rays from the sun. |
| Greenhouse effect | The process by which certain gases in a planet's atmosphere absorb and emit infrared radiation resulting in an increase in surface temperature. |
