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 |