# Speed of sound

This lesson explores the speed of sound in the different states of matter and how to fully utilise the speed/distance/time equation.

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 volume of a sound determined by?

1/5

Q2.What is meant by 'amplitude'?

2/5

Q3.If a wave has a low frequency, what kind of sound will be produced?

3/5

Q4.If we were to hit a drum softly, how could we describe the amplitude of the sound wave that is produced?

4/5

Q5.What is volume measured in?

5/5

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 volume of a sound determined by?

1/5

Q2.What is meant by 'amplitude'?

2/5

Q3.If a wave has a low frequency, what kind of sound will be produced?

3/5

Q4.If we were to hit a drum softly, how could we describe the amplitude of the sound wave that is produced?

4/5

Q5.What is volume measured in?

5/5

# 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.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Quiz:

# Speed of sound

This quiz will test your knowledge from today's lesson and your prior learning.

Q1.What is the approximate speed of sound through air?

1/5

Q2.Through which state of matter can sound travel through fastest and why?

2/5

Q3.What is echolocation used for?

3/5

Q4.What is the approximate speed of sound through water?

4/5

Q5.How fast is something travelling if it covers a distance of 300m in 12 seconds?

5/5

Quiz:

# Speed of sound

This quiz will test your knowledge from today's lesson and your prior learning.

Q1.What is the approximate speed of sound through air?

1/5

Q2.Through which state of matter can sound travel through fastest and why?

2/5

Q3.What is echolocation used for?

3/5

Q4.What is the approximate speed of sound through water?

4/5

Q5.How fast is something travelling if it covers a distance of 300m in 12 seconds?

5/5

# Lesson summary: Speed of sound

## Time to move!

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

For 5 mins...

Move around:
Climb stairs

On the spot:
Chair yoga