Unit 4, Lesson 1: Elements of Weather

The temperature at which more condensation happens than evaporation

• Dew Point

• Temperature

• Humidity

How is Humidity measured?

• Rain, Snow, Hail and Sleet

• Humidity, Relative Humidity and Dew Point

• Satellites, Airplanes, Ships and Stationary Ground Stations

• Using a device called a "Wind Vane"

How is Air Pressure measured?

• Temperature, Humidity, Precipitation, Air Pressure, Wind and Visibility

• Satellites, Airplanes, Ships and Stationary Ground Stations

• Using an instrument called a "Barometer"

• Using a device called a "Wind Vane"

How is Visibility measured?

• Temperature

• By the distance of how far one can see using landmarks

• Humidity

• Weather

How is the Speed of the wind measured?

• Using an instrument called an "Anemometer"

• Using an instrument called an "Barometer"

• Using an instrument called an "Thermometer"

• Using an instrument called an "Wind vane"

What is used to determine the Direction of the wind?

• Using a device called a "Wind Vane"

• Using a device called a "Thermometer"

• Using a device called a "Anemometer"

What are the ways weather data can be collected?

• Temperature, Humidity, Precipitation, Air Pressure, Wind and Visibility

• Satellites, Airplanes, Ships and Stationary Ground Stations

• Rain, Snow, Hail and Sleet

What are the main forms of Precipitation?

• Temperature, Humidity, Precipitation, Air Pressure, Wind and Visibility

• Satellites, Airplanes, Ships and Stationary Ground Stations

• Rain, Snow, Hail and Sleet

What are the factors used to describe the weather?

• Temperature, Humidity, Precipitation, Air Pressure, Wind and Visibility

• Rain, Snow, Hail and Sleet

• Satellites, Airplanes, Ships and Stationary Ground Stations

Air that moves horizontally or parallel to the ground

• Dew point

• Wind

• Visibility

• Weather