# 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.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What is the average range of hertz that a human can hear?

1/3

Q2.Frequency is...

2/3

Q3.Frequency is measured in what unit?

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What is the average range of hertz that a human can hear?

1/3

Q2.Frequency is...

2/3

Q3.Frequency is measured in what unit?

3/3

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# What do we mean by amplitude of sound?

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.The amplitude of sound is measured in which unit?

1/3

Q2.What is the abbreviation of this unit?

2/3

Q3.Which of these is a way to protect your ears from loud sounds?

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# What do we mean by amplitude of sound?

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.The amplitude of sound is measured in which unit?

1/3

Q2.What is the abbreviation of this unit?

2/3

Q3.Which of these is a way to protect your ears from loud sounds?

3/3

# Lesson summary: What do we mean by amplitude of sound?

## It looks like you have not completed one of the quizzes.

To share your results with your teacher please complete one of the quizzes.

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Jog

On the spot:
Dance