Objectives
• Observe that the sound is produced by the vibration of the matter,
• Observe that a medium is needed for sound to propagate
• Examines the relationship between the number of vibrations per unit time and the sound pitch produced,
• Examines the relationship between sound pitch and loudness.
Curriculum Allignments
• Cambridge Lower Secondary
7Ps.01 Describe the vibration of particles in a sound wave and explain why sound does not travel in a vacuum
9Ps.01 Draw and interpret waveforms, and recognise the link between loudness and amplitude, pitch and frequency.