Air Pressure
What causes air to be more dense the closer you are to the surface.
Gravity
Because the Earth is curved, some areas are ______ than others.
Warmer/Colder
Winds blow away from areas of ____ air pressure.
Winds blow away from areas of high air pressure.
Updrafts:
Fast moving warm air that rises into clouds.
(More/Less) pressure at the surface than there is at the top.
More
_______ air = expands, becomes ______ dense, ____ air pressure, rises.
Warm air = expands, becomes less dense, low air pressure, rises.
Cyclones in the Northern Hemisphere are called ________.
They swirl in a ________________ direction.
Hurricanes
Counterclockwise
Downdrafts are the same as Updrafts.
True/False
False
If altitude _______, density __________.
If altitude increases, density decreases.
______ air = condenses, becomes _____ dense, high air pressure, sinks, difficult for air to rise and form _____, usually means ____ weather.
Cold air = condenses, becomes more dense, high air pressure, sinks, difficult for air to rise and form clouds, usually means good weather.
Cyclones in the Southern Hemisphere are called __________.
They swirl in a __________ direction.
Typhoons
Clockwise
The speed of _____ is faster than speed of ______.
The speed of light is faster than speed of sound.
What is density?
Density is the measure of the amount of matter in a given space.
There are ___ types of wind. They are:
There are 2 types of wind. They are: Global Winds and Local Winds.
_______ = very violent thunderstorms which often leads to tornado formation.
Supercells
Tornadoes are measured based on ________ _______.
Damage caused
What is the word for this definition?
The height of an object relative to ground/sea level.
Altitude
What is another word for Global Wind?
Jet Stream
Sound travels only ___ km every ___ seconds.
Sound travels only 1 km every 3 seconds.
We are in Hurricane season now.
True/False
False