Question

Please write correct answer it is urgent ​

Answer 1

Answer:

are you study in 7 class i also, and thak you for this question i also going to ask this question.

Answer 2

Collect the following items:

(a) 4 small paper cups

(b) Two strips of the

cardboard 20 cm long, 2 cm width

(c) Gum

(d) Stapler

(e) Sketch pen

(f)sharpened pencil

Take a scale draw crosses under the cardboard strips.

Fix the strips at the centre, putting one over

the other they make a ‘+’ sign.

Now fix thecups at the ends of the strips.

Colour one cupwith sketch pen.

All four cups should face inthe same direction.

Push a pin through the centre of the strips

and attach the strips to the sharpened pencil.

Check that the strips rotate freely and when

you blow on the cups.

Your anemometer is ready. Counting the

number of rotations for a minute will give you

an estimate the speed of the wind.

Hope it helps you

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