What are waves?
1 mark · EasyA guitar string is plucked and begins to vibrate. What moves along the string to your ear: energy, matter, or both? Briefly explain.
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Energy moves along the string and through the air; matter does not.
Also accept: Energy moves, not matter; Only energy is transferred
Common mistakes: Both energy and matter move along the string
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Marking points
B1 · 1 mark · Answers 'energy' and explains that matter does not move from string to ear.
Worked solution
Only energy is transferred along the string and through the air as a wave. The material (string and air) does not move to your ear.