Starter quiz
- Which body part vibrates in order for us to hear sounds?
- eardrums ✓
- eye lashes
- tongue
-
Sounds heard through a solid are __________ than sounds heard through a liquid.- louder and clearer ✓
- quieter
- muffled
-
- Volume describes ...
- how a piano makes a sound.
- how loud or quiet a sound is. ✓
- how we speak.
-
You can measure the volume of sounds using ...- a ruler.
- a sensor. ✓
- your ears.
-
- An object needs to ______ in order to make a sound.
- 'vibrate' ✓
Which of the following materials would make a good sound insulator?- wool ✓
- paper
- metal
- velvet ✓
-
Exit quiz
- An object which vibrates to create a sound is called ...
- a sound source. ✓
- a sound insulator.
- a light source.
-
- Which of the following is a sound source found in nature?
drum
river ✓
television
- Scientists ask questions about how the volume of a sound depends on the ______ from the sound source.
- 'distance' ✓
- What kind of enquiry helps us to understand how one thing depends on something else?
- observation over time
- classification
- fair test ✓
-
What can you use to record the volume of sound?- a data logger ✓
- a thermometer
- a camera
-
Which of these questions could lead to a fair test investigation?- How can I sort sounds into loud and quiet?
- How does the size of vibrations affect the volume of the sound? ✓
- How does the volume of the sound depend on the material of ear defenders? ✓
- Who invented the data logger for recording the volume of sounds?
-
Worksheet
Presentation
Video
Lesson Details
Key learning points
- A sound source is an object that vibrates to produce a sound.
- Scientists ask questions about how the volume of a sound depends on the distance from the sound source.
- A fair test investigation helps us to understand how one thing depends on or affects something else.
- The volume of a sound can be recorded using a data logger.
Common misconception
Children often think that sounds are inside the sound source waiting to come out. They may also think that the volume of sounds are the same no matter how far away from them you are.
Recap how sounds are made when an object vibrates. Children will plan an investigation to find out for themselves by measuring the volume of sounds as they move further away from the sound source.
Keywords
Sound source - An object that vibrates to make a sound is called a sound source.
Volume - The volume of a sound is how loud or quiet the sound is.
Distance - Distance is the amount of space between two things.
Enquiry - Enquiry means to investigate something to find out more.
Fair test - A fair test is an investigation in which only one thing is changed and another is measured. All other things are kept the same.