Friday, May 9, 2014

Science experiment template

Hypothesis: (What do you think will happen?) e.g. I think that….
The sound will become higher as you cut it shorter.
Materials needed:
Straw and Scissors.
Experiment (procedure):
e.g. Step 1 - Crease straw 2-3cm from one end

Step 2 - Cut crease straw into triangle shape. blow air into cut end

Step 3 - Listen to the sound it makes.

Step 4 - Cut the straw shorter to see what sound it makes.

Step 5 -Blow on cut end. Listen.

Data (What happened?)
straw length
What happened?
The sound was a deeper sound.
The sound became higher just between.
the sound was a higher pitched.
Sound was higher.

The longer the straw the lower the pitch.

The shorter the straw the more higher pitched.

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