In this half term, Year 4 are exploring the science of sound. Today’s experiment was a pattern seeking investigation using string telephones. Children had to explore how these basic items were able to transmit sound effectively. They tried them in a number of different ways. Our main finding was that the string had to be a straight continuous connection between the to cups and as a class we decided on the following ‘er’ sentences:

“The tighter the string, the clearer the sound”