Test 8, Chapter 8 Flashcards
The basic cause of all weather is the
sun
Scientists who study the weather are called
meteorologists
The imaginary line running through the earth from North Pole to South Pole is the
axis
The air that we live in receives most of its warmth from the
ground
Different seasons are caused by the ___ of the earth’s axis.
tilt
Winds are produced by ____ differences on the earth.
temperature
Warm air is ____ than cool air.
lighter
The earth’s surface spins at over ____ miles per hour.
1,000
You will label the following on a diagram of the earth & mark the 2 areas that have the most changeable weather.
polar easterlies prevailing westerlies * northeast trade winds southeast trade winds prevailing westerlies * polar easterlies
The amount of water vapor that the air can hold at a given temperature is the ____ of the air.
relative humidity
The lowest possible temperature at which air is able to hold all of its water vapor is its
dew point
the process in which water vapor leaves the air and changes into liquid water is called
condensation
Air is saturated when the humidity of the air is ___ percent.
100
Water vapor that condenses to form liquid water on the ground is called
dew
water vapor that condenses and forms frozen water on the ground is called
frost