Science Literacy 2006 school release materials - NAP

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eleased items OBJECTIVE YEAr 6NAP – 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
NAP – SCIENCE LITERACY 2006 released items OBJECTIVE year 6Q34 The graph shows the length of some piano strings and the soundthey can produce. Frequency is measured in hertz (Hz).String length (% of C 1 length)100806040200C 1 D E F G A B C 2Piano keyboardPiano key Frequency (Hz)C 1 260D 295E 330F 360G 390A 440B 495C2 520Look at the information above.Which statement is true?The piano key C 1 has the shortest string and produces the highestpitched sound.The piano key C 2 has the longest string and produces the lowestpitched sound.The shorter the string, the higher the pitch of the sound.The longer the string, the higher the pitch of the sound.Q35 The photograph shows a small drum.skinIt is possible to change the pitch of the sound from the drumby tightening or loosening the skin.Explain how this would change the pitch.© MCEETYA 200623
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Page 6 and 7: PrefaceIn July 2001, the Ministeria
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MARKING GUIDEPART B (PRACTICAL TASK
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Chapter 6Student Standard andPerfor
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Table 6.1 Conversion of raw scores
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Distribution of Year 6 student perf
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Item analysis sheetThe item analysi
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Class analysis sheetThe class analy
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Table 7.4 Class analysis sheet for
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Copyright AcknowledgmentsOn behalf
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Table A.1 Description of skills ass
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The OECD-PISA defined scientific li
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Table C.1 Major scientific concepts
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