Friday, May 9, 2014


Science experiment:

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 go higher.

Materials needed:  Cut the straw shorter and cut it with a scissors

Experiment (procedure):

e.g. Step 1 - Take the straw and flatten the end 2-3cm making some sharp creases in the side.

Step 2 -  Then cut the straw into a triangle.

Step 3 -  Then when your finish you can blow on it.

Step 4 -  Then when you blow on it it will sound funny.

Step 5 -  Then if it make a  sound it is finish.

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