Practice Assessment Questions (9) - Chapter 7 : Sound

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9 questions

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6 sample questions

Question 1.
Why can't we hear sound on the Moon?
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Think about the materials sound needs to travel.
Question 2.
What is amplitude?
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Consider how loud sounds are measured.
3Question 3.
What happens to sound on the Moon?
- True
- False
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Consider what sound needs to travel.
4Question 4.
Does sound travel faster in cold air than in warm air?
- True
- False
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Think about how temperature affects motion.
Question 5.
A sound wave travels through air at a temperature of 20°C. If the temperature increases to 30°C, calculate approximately how much faster the sound will travel.
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Think about the formula for speed increase with temperature change.
Question 6.
Analyze why different animals might communicate with different sounds and how this impacts their environment.
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Consider how sounds resonate differently in water versus air.

5 more questions in this section. Enroll free to practise them all.