| A | B |
|---|
| air | mixture of gases |
| atmosphere | layer of gases that surrounds a planet |
| gaseous elements | elements found in a gas state |
| compounds | 2 or more elements that are chemically combined |
| air pressure | the weight of a column of air pressing down on a surface |
| temperature | average amount of energy of motion in the molecule of a substance |
| humidity | the measure of the amount of water vapor in the atmosphere |
| altitude | elevation above sea level |
| weather | condition of the atmosphere at a particular time and place |
| fronts | where 2 air masses meet & do not mix |
| air mass | a body of air that has similar: temperature, pressure, & humidity |
| air quality | how healthy the air in a certain place is |
| weather map | shows weather conditions of a place for a certain time |
| cyclone | low pressure areas that spin counterclockwise |
| anticyclone | high pressure areas that spin clockwise |
