This week you are going to complete a science investigation!
Sometimes people want to block out sound. When could this be?
What could people use to block out sound?
You are going to investigate the best material to use to make soundproof head phones.
Things to consider:
-What materials have you got access to? (Be creative and use things around your house)
-How are you going to test if a material is soundproof?
-How are you going to make sure that it is a fair test?
Think about the things that must be kept the same e.g. the volume of music played