After teaching a unit of work on light, I taught a unit of work on sound. Here are the links and resources I used.
Idea for creating a educational programme about sound – quite a nice idea. https://drive.google.com/open?id=0B7O6aW7yE47bdkZnVENUOFF2T0U
Covers a lot of sound stuff Teachers TV: Primary Science: Sound and Hearing
Bill Nye https://vimeo.com/111148958
BBC Sound Clips http://www.bbc.co.uk/education/topics/zgffr82/videos/1