Weather Vocabulary Page
Air pressure: The weight of air molecules pushing against the Earth and each other.
Anemometer: An instrument that is used to measure wind speed and force.
Barometer: An instrument used for measuring air pressure.
Celsius: Scale of measuring temperature in which water freezes at 0 degrees and boils at 100 degrees.
Condensation: The change from water vapour to liquid water. Droplets form after air has risen, cooled and condensed to create clouds.
Evaporation: The process where a liquid becomes a vapour or gas after being warmed.
Fahrenheit: Scale of measuring temperature on which water freezes at 32 degrees and boils at 212 degrees.
Moisture: Water in a vapor (gaseous) form.
Rain gauge: An instrument designed to measure the amount of rain that falls during a given time interval.
Temperature: Measured on the Celsius, (sometimes referred to as centigrade) or Fahrenheit scale. In weather reports refers to a reading taken in the shade, four feet above the ground.
Thermometer: An instrument used to measure temperature.
Water Vapor: see moisture.
Wind: The movement of air. Speeds are measured in knots or miles per hour and are often categorized into a wind force using the Beaufort Scale.
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