| A | B |
|---|
| Weather | The condition of the Earth's atmosphere at a particular time and place |
| Climate | Long term weather patterns |
| Atmosphere | The envelope of gases that surrounds the Earth |
| Density | The amount of mass of a substance in a given volume |
| Air Pressure | The pressure caused by the weight of a column of air pushing down on an area |
| Barometer | Instrument used to measure air pressure |
| Wind | The horizontal movement of air from an area of high pressure to low pressure |
| Coriolis Effect | The apparent deflection of the wind direction due to the earth's rotation |
| Latitude | The distance measured in degrees from the equator |
| Convection | The transfer of heat by movement of a fluid |
| Radiation | The direct transfer of energy by electromagnetic waves |
| Conduction | The direct transfer of energy between two substances that are touching each other |
| Upwelling | The movement of cold water upward from the deep ocean that is caused by winds |
| Current | A large stream of moving water |
| Windward | The side of mountains that faces the wind |
| Leeward | Side of the mountains that do not face the wind |
| Monsoons | Winds that are created by seasonal changes in temperature and blow from the ocean onto land |
| Deep currents | Currents caused by differences in density |
| Surface Currents | Currents caused by winds |
| El Nino | A recurring climate event that causes changes in winds and current patterns in the Pacific Ocean |
