Monday, March 21, 2011

Mini Project Monday: Grow your own rock candy

I remember this one from childhood, although I never had nearly as much success as I did this time around!  Sprite's a BIG candy lover, so she thought this was the greatest thing ever.

Ingredients and supplies:

2 glass jars or drinking glasses
2 wooden chopsticks or wooden dowels
2 clothes pins
2 muffin liners
2.5 cups sugar

Heat up 1 cup of water in a small pot. Add sugar, a little at a time, until it is all dissolved.

Add a few drops of food coloring.  Let cool for about 10 minutes.

Pour half of the sugar solution into each glass.

Clip a clothespin onto each chopstick and balance the clothespin across the top of the jar to keep the chopstick from falling in.  The bottom of the chopstick should be just a tad above the bottom of the glass.

Poke a hole in a muffin liner and put it on the top of the chopstick.  This will keep dust out while still allowing the water to evaporate.

Wait patiently.

You should see crystals forming in about 2 days  This picture was taken on day 3, and you can see crystals sticking to the sides and bottom of the glass too (I used 3 cups of sugar, and I think it was a little too much).  If the chopstick touches the bottom, raise it a little bit.

Yay!  Crystals!

This is after about a week:

(between the fluorescent lighting and the yellowish countertops, I have yet to find a camera setting that does cause funny coloring. Advice welcome).

Sprite approves, no surprise there.

Attempting a "CHEESE" without removing the candy from her mouth:

Note: For easy cleaning of the glass, fill it with water and microwave it for about 2 minutes.  Let it sit for a few minutes.  The hot water will help the leftover sugar dissolve and separate from the sides of the glass.


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