Level 55
Level 56

Weather & Climate


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Weather
The atmospheres condition at a given time and place with respect to temperate, moisture, wind, and barometric pressure
Climate
The average weather that occurs in a given region over a long period-typically over several decades
Polar
dry, cold climate zone above 60 degree latitude
Temperate
seasonably variable climate zone between 40 and 60 degrees latitude, north or south of the equator
Tropical
warm, moist climate zone near the equator
Air Mass
A very large body of atmosphere defined by basically similar horizontal air temperatures. Moisture conditions are also usually similar throughout the mass. An air mass takes on the characteristics of a place it originates.
Convection
process of heat transfer by the circulation or movement of a liquid or a gas
Humidity
The amount of water vapor in the air
Jet Stream
a long narrow current of fast moving air found in the upper atmospheric levels
Aurora Borealis
Northern Lights
Anemometer
an instrument used to measure wind pressure
Barometer
Device that measures air pressure in millibars
Relative Humidity
The link between the air's temperature and the amount of water vapor it contains
Wind Vane
measures wind direction
Acid Rain
Poisons fish, damages plants/ trees, diminishes soil
Air Pressure
This is the measure of the force with which air molecules push on a surface. It is strongest at the Earth's surface because more air is above you. As you move farther away from…
Atmosphere
This is a mixture of gases that surrounds Earth. In addition to containing the oxygen you need to breathe, it protects you from the sun's damaging rays and is always changing.
Condensation
the process by which molecules of water vapor in the air become liquid water
Cartographer
Someone who makes maps
Global Warming
the recent and ongoing global average increase in temperature near the Earth's surface
Greenhouse effect
trapping and build-up of heat in the atmosphere near the Earth's surface
Precipitation
any form of water that falls from clouds and reaches Earth's surface
Water Cycle
the continual movement of water among Earth's atmosphere, oceans, and land surface through evaporation, condensation, and precipitation
Warm Front
warmer air; light and steady precipitation; move southwest to northeast,
Level 57