Insects are all around us They produce many sounds At many frequencies and volume levels We are so accustumed to hearing That we seldom listen to them Crickets produce their chirps by rubbing their wings together Rough spots on the crickets wings produce the chirping vibrations which we hear The cricit is highly sensitive to temperture Infact we can tell the temperature by crickets Count the number of chirps in 15 second and add fourty The results are very close to a ferinheight thermometerTeksty umieszczone na naszej stronie są własnością wytwórni, wykonawców, osób mających do nich prawa.
