Cambridge IGCSE Combined Science practice
Try the question first, then check the answer and practise the same topic again.
At a glance
3
Paper
2
Marks
Topic
Sound
Exam-style question
The phenomenon of echoes in sound.
Description
An echo occurs when sound waves reflect off a surface and return to the listener. Consider the factors that influence this phenomenon.
Define an echo and explain how it is produced.
Aim for approximately 2 distinct marking points.
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Flashcard 1 of 6
Question 1 of 5
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Description
Consider how echoes are experienced in different settings such as mountains, canyons, and urban areas. Discuss the factors that influence the clarity and timing of echoes in these environments.
Discuss the factors that affect the clarity and timing of echoes in canyons compared to urban areas.
Aim for approximately 4 distinct marking points.