I know that when a sound is made something is vibrating
I can tell the difference between high, low, loud and soft sounds produced by musical instruments
I can recognize, in any piece of music, that there is a variety of sounds of differing pitch and loudness
I know that sound can travel through solids, liquids and gases
I can record my results in a table
I know how well sound travels through different materials and which materials are good insulators
I can identify what is vibrating in a range of musical instruments eg stings in guitar