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Weather

QuestionAnswer
Weather The condition of Earth's atmosphere at a particular time and place
Meterologitsts Scientists who study the causes of weather and try to predict it
Forecast A prediction of what the weather will be in the future
Temperature The average amount of energy of motion in the molecules of a substance
Convection The transfer of heat by movements of a fluid
Humidity A measure of the amount of water vapor in the air
Relative Humidity The percentage of water vapor in the air compared to the maximum amount the air can hold at that temperature
Wind The horizontal movement of air from an area of high pressure to an area of lower pressure
Cumulus Clouds that form less than 2 kilometers above the ground and look like fluffy, rounded,piles of cotton
Stratus Clouds that form in flat layers
Cirrus Wispy, feathery clouds made mostly of ice crystals that form at high levels, above 6 kilometers
Thermometer An instrument used to measure temperature, consisting of a thin, glass tube with a bulb on one end that contains a liquid
Anemometer An instrument used to measure wind speed
Psychrometer An instrument used to measure relative humidity, consisting of a wet-bulb thermometer and a dry-bulb rhermometer
Air mass A huge body of air that has similar temperature, pressure, and humidity throughout.
Front The area where air masses meet and do not mix
Cold front When a cold air mass pushes against a warm air mass
Warm front When a warm air mass pushes against a cold air mass
Tornado A rapidly whirling, funnel-shaped cloud that reaches down from a storm cloud to touch the Earth's surface, usually leaves a destructive path
Hurricane A tropical storm that has winds of 119 km per hour or higher; typically about 600 km across
Created by: !JazzyJ