To Whom It May Concern;
My son is doing a 4th grade science project on water.
We decided to do the vortex whirling water creates a tornado in a bottle.
The first step to his project is to write a hypothesis. I looked it up in the
dictionary and online and I am at a total blank. Can you please help
us with a or some examples. Thank You
Why Wait? Move to EarthLink.
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