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Weather
| Question | Answer |
|---|---|
| weather | The state of the atmosphere at a given time and place |
| climate | the average weather in a location including the temperature and amount of precipitation. (rainfall) |
| front | where two different air masses meet |
| meteorologist | a scientist who studies and measures weather conditions |
| wind speed | how fast the wind is blowing |
| humidity | moisture in the air |
| air pressure | the amount of pressure of force from the air |
| temperature | how hot or cold something is |
| air mass | large body of air with the same temperature and humidity |
| atmosphere | the gases that surround Earth |
| condensation | the process by which molecules of water vapor in the air become liquid water |
| evaporation | the process by which water molecules in liquid water escape into the air as water vapor |
| cold front | Cold air advances toward warm air and pushes it up and out of the way. |
| warm front | A front where warm air moves over cold air. |
| hygrometer | measures humidity |
| barometer | measures air pressure |
| wind vane | measures wind direction |
| thermometer | measures the temperature |
| Occluded Front | a composite front formed when a cold front overtakes a warm front and forces it aloft. |
| Stationary Front | a pair of air masses, neither of which is strong enough to replace the other. |
| Anemometer | An instrument used to measure wind speed |
| thunderstorm | a storm with thunder and lightning and typically also heavy rain or hail. |
| tornado | A rapidly whirling, funnel-shaped cloud that reaches down to touch Earth's surface. |
| hurricane | A severe storm that develops over tropical oceans and whose strong winds of more than 120 km/h spiral in toward the intensely low-pressure storm center |
| drought | long period of dry weather; lack of rain; dryness |
| rain gauge | An instrument used to measure precipitation. |