Atmospheric Pressure, Wind, & Precipitation

• What is atmospheric pressure?

  The force exerted by the weight of the atmosphere on a surface.
• What is downward force?

  Gravity
• How is atmospheric pressure determined?

  Air Mass and Temperature
• What is Air Mass?

  large amount of air that has the same amount of temperature and

  moisture
• What is Continental Air Mass?

  Air Mass that originates from the land and are dry
• What is Maritime Air Mass?

  Air Mass that originates from the sea and are moist
• What is Wind?

  Moving Air
• What are the two types of Winds?

  Local Winds and Global Winds
• How is Wind produced?

  Unequal Heating of the Earth's surface
• What is Sea Breeze?


  Wind that blows from the sea towards the land during the day
• What is Land Breeze?

  Wind that blows from the land towards the sea during the night
• What is Precipitation?

  Water falling from the atmosphere to the Earth's surface
• What are the two possible types of Precipitation?

  Liquid and Solid
• What is Rain?

  Liquid form of Precipitation that falls out of clouds when they become heavy
• What is Snow?

  Solid form of Precipitation in which water vapor turns into ice crystals
• What is Freezing Rain?

  Solid form of Precipitation where melted snow turns into solid ice
• What is Sleet?

  Solid form of Precipitation where snow melts and refreezes as it falls