Presentation on theme: "Todays Weather is brought to you by Westly Whithers."— Presentation transcript:
Todays Weather is brought to you by Westly Whithers
Westly Whithers here to give you the latest about our weather. First, you need to know a little about me and how I make my predictions.
Scientists who studies and measures weather conditions. Some call me a weatherman but I went to school to learn more and became a ………
Need to know how to use and read the following instruments:
Thermometer measures air temperature Hot Fact 1593 Galileo Galilei invented the 1 st Thermometer (on the left). Then in 1714 Gabriel Fahrenheit invented the 1st mercury thermometer with a F° scale. In 1743 Andrus Celsius created a thermometer with the Celsius scale. Galileos Thermometer
Barometer measures pressure of the atmosphere (air pressure) Hot Fact- Evangelista Torricelli invented the mercury barometer in 1644.
Anemometer measures wind speed Hot Fact- Measures wind in revolutions per minute. Aircraft crews need to know the speed of the wind before taking off and landing.
Weather Vane or Windsock finds the winds direction Hot Facts -The first metal wind vane was a Life-size Greek God, Triton, that was placed in Athens between 48 BC to 250 AD ( This vane of Triton represented him traditionally with a human head and upper body and the tail of a fish. He also held a wand in his hand pointing the direction from which the wind blew.)
Rain Gauge measures the amount of liquid precipitation over a period of time Hot Fact- In 1441 King Sejong and his son invented the first rain gauge used as the official tool to assess land taxes based on farmers potential harvest.
Can you name the weather instrument? What does it do?