Science Literacy 2006 school release materials - NAP

eleased items OBJECTIVE year 6 NAP – SCIENCE LITERACY 2006Musical instrumentsObjects produce sound when they vibrate, for example, when a guitar stringis plucked, it makes a sound.The frequency of the sound produced is the number of times somethingvibrates to and fro in one second.Pitch is the highness or lowness of a note. The pitch of a sound rises asits frequency increases.A high pitched sound is caused by something vibrating at a high frequency.A low pitched sound is caused by something vibrating at a low frequency.Q33Mario made the instrument shown below using wood, string and nails.top viewside viewEach string of his instrument sounds at a different pitch when struck.What two features of the strings would change the pitch of the sound?1222 © MCEETYA 2006