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Insulating Sound

In this worksheet, students will consider how sound is absorbed by materials and when and why we use sound insulation.

'Insulating Sound' worksheet

Key stage:  KS 2

Curriculum topic:   Sound

Curriculum subtopic:   How Sounds Travel

Difficulty level:  

Worksheet Overview

Sounds are all around us. We do not want to hear many of the sounds outside when we are inside our homes, for example: traffic noise.

 

TRaffic queue

 

Some materials are good at allowing sound to travel through them. They are DENSE MATERIALS.

 

Some materials are good at absorbing sound - they do not vibrate as well. These materials are called SOUND INSULATORS and are SOFT materials. In our homes we are surrounded by soft materials - curtains, carpets, duvets, soft furniture.

 

Sometimes we want to block-out sound because it can DAMAGE our ears!  The loudness of sound is measured in a unit called decibels (dB) and sounds in the region of 100dB can hurt our ears.

 

Let's find out more about insulating sound.

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