Changing the pitch of sounds
I can find patterns between the pitch of a sound and the length of the vibrating object.
Changing the pitch of sounds
I can find patterns between the pitch of a sound and the length of the vibrating object.
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Lesson details
Key learning points
- Pitch describes how low or high a sound is, and can be measured using a sound meter to detect pitch.
- The unit for measuring pitch is hertz (Hz).
- Scientists look for patterns in sets of results to tell them how one thing affects another thing.
- Changing the length of the vibrating object can affect the pitch of the sound it produces.
Keywords
Pitch - Pitch is a measure of how high or how low a sound is.
Pattern - A pattern is a series of data that repeats in a recognisable way.
Affect - To affect something or someone is to change it or how it behaves.
Results - The results of a test or enquiry is what happened or what was found out.
Vibrating - Vibrating is when an object moves very fast from side to side.
Common misconception
Children may think that the volume of sound and the pitch of sound is the same thing, or that high sounds are loud and low sounds are quiet.
It is important to expose children to a wide range of high and low pitched sounds. Continue to make the distinction between volume and pitch throughout this lesson.
To help you plan your year 4 science lesson on: Changing the pitch of sounds, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 4 science lesson on: Changing the pitch of sounds, download all teaching resources for free and adapt to suit your pupils' needs.
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Explore more key stage 2 science lessons from the Introduction to sound unit, dive into the full secondary science curriculum, or learn more about lesson planning.
Equipment
See additional materials for further guidance.
Content guidance
- Exploration of objects
Supervision
Adult supervision recommended
Licence
Lesson video
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Starter quiz
6 Questions
Exit quiz
6 Questions
