Show WHY DOES A BELLS BELL'S RING STOP I I WHEN WE TOUCH IT I II i I When we touch the bell we stop the i I sound waves waves waves' which the bell gives off I II i when struck These sound waves con i after the bell has been struck I in continuous vibrations until something some some- I II thing stops them When you touch I Ithe I the vibrating bell hell you stop its vibrating vi vibrating vi- vi t brating If you only touch your fin finger finger ger gel to the vibrating bell you can feel I the vibrations which cause a little I tickling sensation Naturally when you stop these vibrations you stop r the air waves which the vibrations cause and thus also the sound of these air waves striking your ear are arc stopped and the sound ceases From From the Book of Wonders by permission bureau of oC industrial education Washington Wash ington D D. C C. |