This term we have been learning all about sound and have been investigating how sound is made. We discovered that sound is made by vibrations which can travel through different mediums and then enter the ear. We looked at how the vibrations changed with different volumes and pitches and then acted out how the sound wave travels through the ear canal to the brain. At the end of our topic, we made string telephones and investigated different things. We made 4 way conversations and a telephone that stretched the entire classroom.We even investigated to see if the telephones would work outside. It has been lots of fun this term learning all about sound.
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