Wind Speed & Direction

Science, Grade 3

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20 MPH N S E W low pressure Sun’ s r adiation North pole South pole Equator 30ºN 60ºN 60ºS 30ºS low pressure high pressure low pressure high pressure low pressure What causes wind? Air that moves from one area to another is called wind. Differences in air pressure and heat from the Sun cause winds. Wind Speed Wind speed is measured by an anemometer. Wind blows the small cups around and around, and the revolutions measure the speed in either kilometres per hour or miles per hour. Wind Direction A wind vane shows the wind direction from which the wind is blowing. Wind Speed & Direction © Copyright NewPath Learning. All Rights Reserved. 94-4361 Visit www.newpathlearning.com for Online Learning Resources. winds
Pause & Review Read each weather vanes and write the direction that the wind is blowing. Wind Speed & Direction © Copyright NewPath Learning. All Rights Reserved. 94-4361 Visit www.newpathlearning.com for Online Learning Resources. 20 MPH 5 MPH Read the anemometers and record the wind speed. _______________ mph _______________ mph