This term, Year 4 have been learning all about sound. They have learnt about how our ears work, how sound travels and even how to look after our ears/hearing. The children have enjoyed learning about how sounds are caused by vibrations and travel as waves. They drew sound waves to show a loud sound, a quiet one, a high pitch noise and a low pitch one too. They have labelled a diagram of the ear and have experimented with which material was best for sound proofing. Finally, the children learnt how sounds can travel through solids and then made string telephones to test this out. They were amazed to find out that their voice could travel along the string and into their partners ears even if they were whispering!