Pressure ____________ as height increases above Earth.
decreases
What type of weather is associated with a high pressure system?
Clear and sunny
What type of weather is associated with a low pressure system?
Cloudy with precipitation
What is the instrument used to measure air pressure?
barometer
What do the connected lines (isobars) mean?
they have the same air pressure
Which front is a boundary between two different air masses, neither of which is strong enough to replace the other?
stationary
Which front has a warm air mass is replacing a cold air mass?
warm front
Which front has a cold air mass is replacing a warm air mass?
cold front
What type of front occurs when a fast moving cold front overtakes a warm front pushing it up and over cold air?
occluded front
Which instrument measures wind speed in mph?
Anemometer
What instrument helps determine wind direction when reading weather maps?
compass rose
Which instrument carries instruments to high altitudes to measure pressure, temperature, humidity, and wind speed?
weather balloon
What is this the symbol for?
cold front
What is this the symbol for?
warm front
What is this the symbol for?
stationary front
