This experiment is an awesome way to learn about sounds but it does make a pretty horrible shriek...
If you have a super-keen scientist, things may be about to get a fair bit louder in your neck of the woods!
STEP1 - First up, fold and cut out one quarter of a piece of A4 paper.
STEP2 - Fold your smaller piece of paper in half lengthways so you have an A6 piece of paper.
STEP3 - Fold the outside edges back on themselves about 1cm in from the edge.
STEP4 - Make sure you have an adult on hand to help out and then chop out two little triangles towards the centre of your paper shrieker.
STEP5 - Hold your Ultimate Paper Shrieker to your mouth and just blow through it pretty hard!
STEP6 - Is that a dinosaur I can hear?!?
Wow! What a shriek!
You know by now that something must be vibrating but do you have any idea what?
This time, the air that you’re blowing through your Ultimate Shrieker is causing the paper itself to vibrate which is what’s making it sound like you now have a pet dinosaur!
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