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20 Cards in this Set

  • Front
  • Back

What do you need moisture, dust/dirt, and cool temperatures to form?

A cloud

Does swear cool you down? How?

It cools you down, because when it evaporates, it removes heat from your body. Which cools you down.

Is this cold air or warm air particles?


-closer together


-more dense


-slower moving


-holds less moisture

Cold air particles


What natural disaster forms over warm, tropical oceans?

Hurricanes.

What weather instrument measures wind speed?

Anemometer

What are the differences between Low and High pressure systems?

High


-strong dense air


-air drops down


-brings cool temperatures, clear skies




Low


-weak, light air


-air rises up


-brings warm temperatures, clouds/rain

Does land or water heat and cool slowly?

Water

Does land or water heat and cool quickly?

Land

What are the characteristics of a warm air particle?

-Far apart


-Less dense


-Faster moving


-Hold more moisture

How does a cold front form and what weather does it bring?

It forms when a cold air mass pushes under a warm air mass, forcing the warm air to rise.




Thunderheads can form as the moisture in the warm air mass rises cools, and condenses. As the front moves through, cool, fair weather is likely to follow.

How does a warm front form and what weather does it bring?

Forms when a moist, warm air mass slides up and over a cold air mass.

As the warm air mass rises, it condenses into a broad area of clouds. A warm front brings gentle rain or light snow, followed by warmer, milder weather.

How does a stationary front form and what weather does it bring?

Forms when warm and cold air meet and neither air mass has the force to move the other. They remain stationary, or standing still.




Where the warm and cold air meet, clouds and fog form, and it may rain or snow. Can bring many days of clouds and precipitation.

How does a occluded front form and what weather does it bring?

Forms when a warm air mass gets caught between two cold air masses. The warm air mass rises as the cool air masses push and meet in the middle.

The temperature drops as the warm air mass is occluded, or "cut off" from the ground and pushed upwards. Can bring strong winds and heavy precipitation.

What are the differences between convection and conduction?

Convection: Heat transfer that occurs in a liquid or gas. It moves in a circular motion when warm air rises, then cools down, and sinks.




Conduction: Heat transfer that occurs in solid matter, through touch.

What weather instrument measures humidity and uses a dry and wet bulb?

Psychrometer

What weather instrument measures air pressure?

Barometer

What weather instrument measures the direction wind comes from?

Wind Vane

Do water and land heat & cool differently? How?

Water heats/cools slowly


Land heats/cools quickly

What gases have the greatest impact on Earth's temperatures?

Carbon Dioxide and Methane

What natural disaster develops in Tornado Alley?

Tornadoes