Science (4th) Ch. 7 Lesson 3: Tracking the Weather vocab/notes
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a large region of the atmosphere where the air has similar properties throughout
air mass
a boundary between air masses with different temperatures
front
a boundary between air masses that allows a warm air mass to slide up and over a cold air mass
warm front
a boundary where a cold air mass slides under a warm air mass
cold front
a boundary between air masses that are not moving
stationary front
a prediction about weather; the act of making such a prediction
forecast
What forms when the weather changes at the boundary between two air masses?
a front
What occurs when warm air slides over cold air, with layers of clouds forming, and a light, steady rain?
a warm front
What type of front does not move and rainy weather may last for days?
stationary front
What forms when a cold air mass pushes under a warm air mass and brings stormy weather?
a cold front
What forms over a warm ocean and brings heavy rains and strong winds?
a hurricane
What occurs when lightening heats air quickly?
thunder