A pitch perfect afternoon in Year 4!

This afternoon, Year 4 investigated the volume and pitch of sound. We learnt about the unit of measure for sound (decibels) and learnt about the how pitch is affected by the medium the sound is made in.

Try this quiz to test your knowledge! Tell us your score on this blog! Did you learn anything new?

Take the sensational sound quiz! quiz | Science lessons | DK Find Out!

Then use the decibel meter to measure different sounds at home – teach your family all about sound! You could even show them how you can change the pitch – but remember to keep it a fair test!


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  1. I have completed the test and got 10/10. I have learnt that sound cannot be heard in space because sound travels through the vibration of particles, and space is a vacuum.