Question: What will happen to the sound if I cut the straw shorter?
Links to research about Sound:
Hypothesis: (What do you think will happen?) e.g. I think that the sound will get higher.
Scissors, Myself, Straw.
e.g. Step 1 - Creased the straw 2-3cm.
Step 2 - Then using the scissors again cut the end of the straw into a triangle.
Step 3 - Put the triangle shape into your mouth and blow,
Step 4 - Cut the straw shorter.
Step 5 - Blow the straw on the cut end. Then listen to what the sound makes.
Data (What happened?) Observation
makes a sound
sound was higher
sound was high pitched
Long 15cm: When we first received our straws. The sound was very low
10cm: The sound got higher.
5cm: The was High Pitched.
Conclusion:I have realised that when you cut the straw shorter. The sound will get Higher and higher every moment you cut it.