What do we mean by amplitude of sound?

In this lesson, we will learn about the amplitude of sound and how to protect our ears from very loud sounds.

What do we mean by amplitude of sound?

In this lesson, we will learn about the amplitude of sound and how to protect our ears from very loud sounds.

Lesson details

Key learning points

  1. Describe what we mean by the amplitude of sound
  2. Describe how to change the amplitude of a sound
  3. Give examples of high amplitude and low amplitude sound

Licence

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3 Questions

Q1.
What is the average range of hertz that a human can hear?
10-10,000Hz
Correct answer: 20-20,000Hz
30-30,000Hz
Q2.
Frequency is...
The amount of times you hear the sound
The speed of light
Correct answer: The speed of vibrations of a sound wave
Q3.
Frequency is measured in what unit?
Correct answer: Hertz
Kilograms
Newtons

3 Questions

Q1.
The amplitude of sound is measured in which unit?
Correct answer: decibels
decipells
Hertz
Q2.
What is the abbreviation of this unit?
Bd
Correct answer: dB
sB
Q3.
Which of these is a way to protect your ears from loud sounds?
Move closer to the sound
Correct answer: Use ear plugs
Wear a hat

Lesson appears in

UnitScience / Sound

Science