Question: What will happen to the sound if I cut the straw shorter? it will make a funny sound that kinda sounds like a fart
Links to research about Sound:
Hypothesis: (What do you think will happen?) e.g. I think that there will be no sound when I blow through it
Materials needed: straw and scissors
e.g. Step 1 - crease straw 2-3cm on one end
Step 2 - cut the creased end of the straw into the shape of a triangle. blow air into cut end
Step 3 - listen to the sound
Step 4 - cut it shorter
Step 5 - blow on cut end and listen
Data (What happened?)
long 15cm----- makes sound
10cm------ sound was higher
5cm------- sound was more high pitched.
When I cut it it made a funny but when I cut it shorter the sound went higher then I cut it a bit more then the sound went to a high pitch sound
My Hypothesis was wrong because it did make sound and every time you cut to straw shorter the sound would make a high pitch sound.