Echoes, Hearing And Sound Applications

Connect sound waves with hearing and real applications

ScienceGrade 9Mixed12 questions24 min

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Section A: Human Hearing and Reflection · 6 questionsSection B: Echolocation, Music and Inquiry · 6 questions

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Section A: Human Hearing and Reflection

Understand audible range, loudness, pitch and sound reflection.

Choose the best answer.

Question 1

EasyQuestion

What is the approximate audible range for humans?

Topic: Human Hearing · Skill: Explain audible range loudness and pitch

Question 2

MediumQuestion

Loudness of sound depends mainly on which property?

Topic: Human Hearing · Skill: Explain audible range loudness and pitch

Question 3

MediumQuestion

A shrill sound has which property?

Topic: Human Hearing · Skill: Explain audible range loudness and pitch

Question 4

EasyQuestion

Which option correctly completes this statement: Sound reflection occurs when sound?

Topic: Reflection of Sound · Skill: Explain reflection of sound

Question 5

MediumQuestion

An echo is heard when reflected sound reaches ear after a sufficient?

Topic: Reflection of Sound · Skill: Apply echo and reverberation concepts

What this assignment covers

Students practise human hearing, reflection of sound, echo, reverberation, echolocation and music connections.

Skills and sections

Explain audible range loudness and pitch, Explain reflection of sound, Apply echo and reverberation concepts, Explain echolocation, Describe music using sound characteristics

Section A: Human Hearing and Reflection: 6 questions
Section B: Echolocation, Music and Inquiry: 6 questions