the independent variable is how much sugars the crystals contain
evaporation rate
the penicl, the string, and the jars
You can do the Coke A Cola and Mentos project.
YES
Diet Coke and Mentos produce the largest spectacle.
Try putting "Mentos" in coke and watch the stream it produces almost instantly.
One cool project is what chemical reaction does mentos and coke make after mixing them!
search for 'mythbusters coke and mentos' on Google. they have videos and stuff.
Coke n Mentos eruption is a temporary change !!
the holes in the mentos
Because the chemicals in diet coke react with the chemicals in the mentos, Normal coke has the same chemicals that mentos has, that is why you need to have a positive and negative to react, Normal coke and mentos is positive and positive.
a two liter bottle of Diet Coke 2 rolls of Mentos mints 1 piece of 8x10 inch paper, like construction paper tape
Because of the carbon dioxide in the Mentos :)
one you will need coke