_________is a large body of air that has the same temperature and humidity throughout.
Air Mass
The condition of the air at a specific time around us.
What is weather?
The border where two air masses meet are called ______________________. This is where most weather changes occur.
Front
Extreme weather conditions such as thunderstorms or heavy snow occurs when a cold air mass collides with a warm air mass and creates a (cold or warm) front.
cold

Cold Front
Stratus clouds that are low to the ground
What is fog?
When a warm air mass slowly moves over a cold air mass it creates a (cold : warm) front, which results in light but steady rain or snow.
warm

warm front
Water that is found in seas, oceans, rivers, ponds, etc.
What is collection?
A prediction of what weather will be for a certain day, week, or a longer period of time.
Forecast