This week, we carried out a practical investigation to answer our learning objective: Is there a pattern between the pitch of a sound and features of the object that produce it?
First, we used our prior knowledge of sound sources, volumes and pitch to make a prediction:
‘The longer the instrument, the lower the pitch.’
‘The shorter the instrument, the higher the pitch’.
Then, we struck and plucked and range of musical instruments to test out our predictions. We realised that we were right. When we struck the chime bar, we noticed that the shorter the chime bar, the higher the pitch. This happened when we tried out other pieces of equipment like windchimes, tuning forks and elastic.
Ask your child what some of our key science vocabulary means: pitch, volume, medium, sound source.