Weather Terms
Weather Instruments
What's with the Weather?
The Atmosphere
Water Cycle & Greenhouse
100
The amount of water vapor currently in the air compared to the amount the air can hold at that temperature.
What is relative humidity?
100
The weather instrument used to measure current air pressure.
What is a barometer?
100
The type of front illustrated by this picture:
What is a stationary front?
100
The layer of the atmosphere where the Ozone Layer can be found.
What is the Stratosphere?
100
The water that plants are able to use during the water cycle.
What is ground water?
200
A large body of air that has the same characteristics throughout.
What is an air mass?
200
The weather instrument used to measure current wind speed.
What is an anemometer?
200
The result of a warm front moving into the area.
What is slow steady precipitation and an increase in temperature?
200
The layer of the atmosphere where the jet stream is found.
What is the Troposphere?
200
The three natural processes of the water cycle.
What are evaporation, condensation, and precipitation?
300
Forms when two air masses meet.
What is a front?
300
The weather instrument illustrated in the following picture:
What is a wind vane?
300
The global wind belt that the majority of the United States is located within.
What are the Westerlies?
300
Always decreases as altitude increases.
What is air pressure?
300
The two most abundant gases in the atmosphere and the percentage they make up.
What are nitrogen (78%) and oxygen (21%).
400
The characteristics of an air mass that was formed over the north Pacific Ocean (near Washington).
What is cold and wet? (Maritime Polar)
400
The current barometric pressure from reading on the following barometer:
What is 29.20 inches?
400
The type of air mass that can hold less water vapor but creates more air pressure?
What is a cold/cooler air mass?
400
The layers of the atmosphere in order, starting with the layer closest to the Earth's surface.
What is the Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere?
400
The three main gases responsible for the greenhouse effect in addition to water vapor.
What are carbon dioxide, methane, and nitrous oxide?
500
The dew point.
What is the temperature at which the air is saturated and condensation forms?
500
The type of weather that can be predicted when the barometer goes from 29.75 at noon to 29.00 at 4:00 pm.
What is violent storms and a decrease in temperature?
500
What happens to the air masses when a cold front moves in to an area?
What is the warm air rapidly rises and the cold air sinks?
500
The two layers in which the Ionosphere is located between.
What are the Mesosphere and Thermosphere?
500
The percentage of the sun's radiation that is reflected by clouds and the percentage absorbed by the ozone.
What is 25% reflected by clouds and 20% absorbed by the ozone layer?
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