POLL: Which one of these science fair ideas sounds the best/ would get the best grade?
Which candle’s flame lasts the longest; white or colored?
What kind of water makes plants grow more; water, salt water, water with ice, or water with dry ice?
What type of music helps plants grow better?
Who has cleaner mouths; cats, dogs, or humans?
What color light makes plants grow more?
What bubble gum makes the biggest bubble?
thanks 
bq: what is YOUR science fair project?
What kind of water makes plants grow more; water, salt water, water with ice, or water with dry ice?
I think that one sounds the best. And the last science fair project I did, I did something with flames.
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