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Science weather
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 |