P6/7 today were predicting and investigating sound waves by setting up their own experiments to show sound.  They were given the materials and they decided how they could show the vibrations of sound. They also investigated sounds through a solid by using the walkie-talkies.  Please see their photographs and the comments about their learning.

“When the string was loose it was difficult to hear what my partner was saying.” Bethany

“Maybe when the string was tight it allowed the sound to travel through the solid easier than when it was loose.” Cara

“We did Chinese whispers and it worked when the string was tight but not when bent and we agree with Cara.” Eve

“When we pulled the cup away from our mouth it was harder for the other person to hear what I was saying.  I think this is because there was space between my mouth and the cup where the sound could escape.” Charlotte