Download SCIENCE 8 TOPIC 7 - Stillwater Christian School

QUIZ TIME
THE DEFINITION OF WIND
THE DEFINITION OF WIND
The horizontal movement of air
The wind flow in high and low
pressure systems
The wind flow in high and low
pressure systems
At the surface,
winds tend to
flow clockwise
outward from
a center of
high pressure.
Another “Quiz” on Station Models
The Characteristics Used in Identifying Air Masses
How do air masses get their characteristics?
By the area over which they form.
By the area over which they form.
TEMPERATURE
PRESSURE
HUMIDITY
You Need to Know The Types of Fronts
First we need to define what a front is…
A front is the interface where two
different air masses meet
There are four main types of fronts
The first one is the cold front
Fast moving, cold air close to ground, brief/heavier rain
There are four main types of fronts
The second one is the warm front
Slow moving, warm air pushed up, long/lighter rain
There are four main types of fronts
The third one is the stationary front
Doesn’t move, similar to warm front with, long/lighter rain
There are four main types of fronts
The fourth one is the occluded front
Warm air pushed up, long/lighter rain, fast and/or slow
The importance of the jet stream
What is the importance of storms?
Storms help to modify the extremes
of the earth’s environment
How storms get their energy