Weather Flashcards
(17 cards)
What is weather caused by?
Heat, air pressure, wind, and moisture
Define weather
The daily condition of earths atmosphere at a certain time/place
Why does heat vary from place to place?
Because the sun hits the earth at different angles
What is air pressure?
The force of air pressing down on earths surface
Why does air pressure vary?
Uneven heating of the atmosphere and gravity
Does denser air have more pressure?
Yes.
Stronger gravity= more _ _
Denser air
What causes wind
Uneven heating and air pressure
Air moves from _ to _ air pressure.
High to low
The amount of moisture in the air is?
relative humidity
When Moisture condenses what happens
Clouds form and precipitation may occur
What is climate?
Average weather conditions for an area over a long time.
2 main factors when deciding climate are?
Temperature and precipitation
List three climate zones
Tropical
Temperate
Polar
List 4 things meteorologists rely on to determine weather.
Local weather observers
Weather balloons
Weather stations
Satellites
Define meteorologist
Study weather, make weather maps, and provide weather forecast.
What causes air to become less dense?
Heat
