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Actually that is an excellent point. After I finished typing it up, I wanted to make them again too! 
Dammit, I wanna make some crystals now!
I can’t decide if I should tell daughter about this or not.
Likely, the dog would get a hold of it and drink the water. heheheeee....
PS - You’ve got mail darlin’!
You can also grow crystals using alum (the stuff in your spice cabinet that makes your mouth pucker) and borax (like the kind you put in laundry) in hot water. When it cools, crystals will appear. It’s fun to dip a thread into the mixture and suspend it from a pencil over a cup so the crystals form on the string. Also, the crystals do grow better with salt because salt crystals are bigger. Epson salt works best ‘cause it isn’t treated with chemicals that table salt is.
(Science nerd here.)
Thanks GDG and KG for the next rainy day activity in my house! Sweet!
And if you use sugar and suspend a string in the mixture, you get....ready...wait for it...ROCK CANDY, YAY!
We used to do this with with sugar, but we’d put a plastic cup or hot/cold resistant one in a pot with boiling water and keep the water boiling as we added the sugar until the water got cloudy - then, instead of letting it cool gradually, we’d take the cup out and put it in cold water, so the crystals would form more quickly. Then we’d eat ‘em.
Nothing says science like eating pure sugar, right?
wow! I might actually have to try that. hehehee I am a kid at heart.
Can’t believe I nearly missed this post! (Not been keeping up with the blogosphere as much as I’d like to recently.)
I am definitely giving Mr. EC a copy of this method! Thanks GDG!
I find it oddly curious you’d assume only kids would want to do this. I think I’m in...or up for this, whichever seems the most apt anyway.
mike | 08.22.2006 | 6:38 AM