Working model wind speed 4 cup anemometer.
· Mounted on a low friction bearing and consisting of 3 black plastic & 1 red plastic cup
· 210mm x 180mm (h)
· Anemometer is sensitive at wind speed of 1.5km/h; Student can determine the wind speed quantitatively by counting the number of rotations

Worksheet included (suitable for both senior primary school and junior secondary school students)