# 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.

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

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.

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

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?

## Time to move!

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

For 5 mins...

Move around:
Walk

On the spot:
Chair yoga