Elements of Weather
________ is the condition of Earth's atmosphere at a certain time and place.
Weather
An instrument that measures and displays temperatures?
Thermometer
The __________ is the continuous movement of water between the atmosphere, the land, the oceans, and living things.
Water Cycle
_________ describes the weather conditions in an area over a long period of time.
Climate
______ refers to the height above sea-level.
Elevation
Any form of water that falls to the Earth's surface.
Precipitation
A ____ ______ is used to measure the amount of precipitation.
Rain Gauge
Clouds and fog form through condensation of water vapor, so condensation affects ________.
Visibility
What are the two largest indicators of an areas climate?
Precipitation and Temperature
Measure of the transparency of the atmosphere.
Visibility
The amount of water vapor in the air is called?
Humidity
Wind direction is measured using a _____ _____.
Wind Vane
A stationary front creates what kind of weather.
Unchanging weather for multiple days
A temperature ________ includes all of the areas temperatures from the coldest to the hotest.
range
In a high pressure system air sinks and ______.
Warms
______ is the air that moves horizontally to the ground, created by uneven heating of the Earth's surface.
Wind
Scientist use a ________ to measure air pressure.
Barometer
____ _____ is a large volume of air in which temperature and moisture content are nearly the same throughout.
air mass
________ is the angular distance north or south from the equator.
Latitude
In a low-pressure system, air rises and ____.
cools
___________ is the force of air molecules pushing on an area.
air pressure
An _________ is used to measure wind speed.
Anemometer
A boundary the forms between the air masses.
Front
Name the three climate zones?
Which is the United States located in?
Tropical Temperate Polar
Temperate
______ clouds appear in heaps or piles.
Cumulus
_________ is the amount of water vapor needed to reach saturation.
Relative Humidity
Instrument used to measure relative humidity.
Psychrometer
The winds in the atmospheric belts like the westerlies curves to the east due to Earth's rotation. The curving of the winds is due to _______________.
Coriolis Effect
The surface features of an area combine to form its ____________.
Topography
The air at sea level is _____ than the air at high altitudes.
Denser