science weather

Question Answer
Weather The condition of earth's atmosphere at a particular time and place
Meteorologists scientist who study the cause 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 substance
convection the transfer of hot by measurement of a fluid
Humidity a measure of 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 area of lower pressure
cumulus Cloud that form less than 2 kilometer above the ground and look like fluffy, rounded, piles of cottons
stratus clouds that form in flat layers
cirrus wispy and feather clouds made mostly from ice crystals that form at high levels, above about 6 kilometer
thermometer An instrument used to measure temperature and consisting of a thin and 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 and consisting of a wet-bulb thermometer and a dry-bulb thermometer
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 warm air mass
tornado a rapidly whirling, funnel- shaped cloud that reaches down from a storm cloud to touch earth's surface usually leaving a destructive path
hurricane A tropical storm that has wind of 119 km per hour of higher typically about 600 km across

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