Term |
Definition |
air mass |
a large body of air that has about the same temperature, are pressure, and moisture throughout |
air pressure |
the weight of air as it presses down on Earth's surface |
atmosphere |
the layers of air that surround Earth's surface |
climate |
the average weather conditions in an area over a long period of time |
condensation |
the change of state from a gas to a liquid |
evaporation |
the change of state from a liquid to a gas |
front |
the place where two air masses meet |
greenhouse effect |
the process by which heat from the Sun builds up near Earth's surface and is trapped there by the atmosphere |
polar climate |
weather pattern of very cold temperatures throughout the year, as found near the North Pole and the South Pole |
precipitation |
any form of water that falls from clouds to Earth's surface |
temperate climate |
usually have warm, dry summers and cold, wet winters |
tropical climate |
hot and rainy for most or all of the year |
water cycle |
the movement of water into the air as water vapor and back to Earth's surface as precipitation |
weather |
the conditions of the atmosphere at a certain time and place |