the instrument used to check wind direction?

Question

east, west, north, south

Answer 1

Anemometers are used to measure the wind speed. There are many types of these. One such type is called an aerovane which is used to determine the wind speed and direction. A simple wind vane will also help you determine the wind direction.

Answer 2

Shows Wind Direction

Answer 3

An instrument called wind vane is used to measure the direction from which the wind is blowing.This consists of a horizontal arm pivoted on a steel spindle.A pointer is provided at one end and an aerofoil of stream line section at the other end.Below the vane is a fixed framework showing all the four directions.The principle of the working of the wind vane lies in the unsymmetrical mounting of the aerofoil system about a vertical axis on which it is free to turn.The end offering the greatest resistance to the motion of air goes to lee side.Then, the other side shows the direction of the wind if the vane is well exposed.But,below a wind speed of 2 knots, it may not show the correct direction as friction plays a part.In such cases the wind is reported as "variable wind" without mentioning the direction and speed.

Answer 4

My science teacher told me that the Wind Vane is used to check wind direction.

Answer 5

Clear definition and description of the device used to show wind direction. Thank you.

Answer 6

Its called a wind vane.

Answer 7

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Answer 8

That is called wind-cock