Air Pressure 1
True or False: Warm air rises up.
True
What is an instrument used to measure air pressure? a. thermometer b. wind vane c. barometer
c. barometer
Changes in air pressure tell you that changes in the _____ are coming.
a) stormy b) weather c) change d) rotating
b) weather
Air moves from one location on Earth to another location because of differences in ________.
a) weather b) rainfall c) elevation d) air pressure
d) air pressure
True or false: Cold air rises up.
False. Cold air sinks down
What do we call the movement of air that occurs between a high pressure area and a low pressure area?
wind
When air pressure is falling in an area (getting lower), ______ weather is coming.
a) fair b) hot c) stormy
c) stormy
Last night the weatherman on the news said an area of high pressure was coming to your area. What type of weather will you experience?
Dry, clear, sunny weather
True or false? Air pressure is the result of the weight of air pushing down on an area.
True
What is an instrument used to that tells us the direction the wind is blowing?
a. wind sock b. wind vane c. anemometer
b. wind vane
When air pressure rises, _____ weather is coming.
a) fair b) stormy c) rising d) sinking
a) fair
What piece of equipment is used to measure wind speed?
a) wind vane b) barometer c) psychrometer
d) anemometer
d) anemometer
What is air pressure?
The measure of the weight of the air pressing down on Earth's surface
An area that has High pressure brings what kind of weather?
Happy weather, dry skies, clear skies, fair weather
Low pressure systems are created by warm air _______.
rising
True or False:
When air is heated, it's density decreases, forming an area of low pressure.
True
To screw a nail down on a board with a screwdriver, which direction is your hand and the screwdriver turning? a) Clockwise b) Counterclockwise
Clockwise
An area that has Low pressure brings what kind of weather?
Stormy weather, clouds, rain, snow, thunder
High pressure systems are created by cool air ______.
sinking
When air moves from an area of high pressure to an area of low pressure, it causes _____.
a) rain to fall b) the wind to blow c) an increase in elevation d) an increases in temperature
b) the wind to blow