Sound and pitch experiment

Linking to the topics sound and vibrations and waves, this fun, hands-on lesson pack is aimed at year 4 and P5. Pupils will discover how the pitch of a sound can be changed by altering the amount of water in bottles. Will your classroom be filled with beautiful music or a bit of a racket!?

This pack includes:

• A differentiated lesson plan with an explanation of the science behind the investigation
• A PowerPoint presentation explaining how sound travels and how pitch is changed in instruments
• A sheet for children to record their scientific explanations
• Two guided reading spreads: Interview with a Foley artist (sound effects engineer) and how speakers work

Simple to resource! The items you will need:

• Glass or plastic bottles of the same size
• Measuring jug