Respuesta :

Step-by-step explanation:

Take two empty ice cream cups. Make a small hole at the bottom of each cup and pass a long thread through them. Tie a knot or match stick at each end of the thread so that the thread does not slip out through the holes. ... Thus, sound can travel through a solid

Answer:

Now use the toy telephone as shown in figure and talk to your friend . You will be able to hear the sound of your friend . This shows that sound travels through the thread and reaches your ear. Thus , sound can travel through a solid.

RELAXING NOICE
Relax