Tuesday, 2 December 2014

What a lot of noise!

We were doing an experiment with the straws. First we either trimmed a little bit of the straw off or we left the straw as normal. Then we flattened the top of the straw that we were going to use,before we made an arrow on the top of the flattened piece of straw. We were trying to see if the pitch could be changed and why.