The weather is ____ changing
Always
Weather is the condition of this
Air
Why do gases exert pressure
Because they have weight
climate describes ______ conditions of a ______ area over time
Weather and certain
What is the air surrounding the earth called?
Atmosphere
What is used to detect changes in air pressure
Barometer
_____ happens in the lower atmosphere
Weather
The gas that makes up most of the air
Nitrogen
If there’s a decrease in air pressure what can a meteorologists predict?
Precipitation
Cold air is ______ than warm air
Heavier
A weather prediction is called a
Forecast
A greater density of gases is found in the _____ atmosphere
Lower
What is a scientist that studies weather?
Meteorologist