On Friday afternoon we were doing sound science. We did lots of fun things. We had a tin whistle and we stood back to back and one of us would blow the tin whistle and one of us would time you and you would both walk back and when the timer gets to a minute you would stop and you would hear a little noise from the tin whistle. We watched a video of a voice box as you go higher the voice box will open more and if you go lower the voice box will open a tiny bit. By Ciara
