Show:
Properties of Air
Clouds
Tools
Air Masses and Fronts
Storms
100
measurement of water vapor in the air
What is humidity?
100
form in layers
What is a stratus cloud?
100
anemometer
What is a tool that measures wind speed?
100
Large areas of air with almost the same temperature and moisture
What are air masses?
100
Called twisters
What are tornadoes?
200
force of air pushing on an area
What is air pressure?
200
a stratus cloud that forms near the Earth's surface
What is fog?
200
measures air temperature
What is a thermometer?
200
gets its properties from the area where it develops
What is how do air masses form?
200
Begin where air masses with large temperature differences meet
What is a tornado?
300
wind
What is air in motion?
300
puffy clouds that seem to come from a flattened bottom
What are cumulus clouds?
300
measures air pressure
What is a barometer?
300
area where air masses meet
What is a front?
300
Form in warm, moist air masses over warm ocean waters
How do hurricanes form?
400
air particles move further apart
What is what happens when air heats up?
400
made of ice crystals and have feather-like shapes
What are cirrus clouds?
400
measures humidity by how quickly water evaporates from a wet surface
What is a hygrometer?
400
When a warm air mass pushes into a cold air mass
What is warm front?
400
These occur when warm air rises and cools rapidly usually along a cold front
What is a thunderstorm?
500
air particles move closer together
What is what happens when air cools?
500
also called thunderheads
What is a cumulonimbus cloud?
500
the height of water is collected in this tool and tells how much precipitation has fallen
What is a rain gauge?
500
When cold air pushes into an area of warm air
What is a cold front?
500
enormous, storm with a spiraling pattern with high winds and flooding rains
What is a hurricane?