But as Halloween was approaching I thought, I'd like to make black crystals to use on a pumpkin for hair. This is how I did it.
What you Need to Do:
Before you begin: Write your hypothesis. What do you think will happen?
Then boil the 1/2 cup water and mix in the 1/4 cup epsom salts. Mix the epsom salt until dissolved. When the salt is completely dissolved (you can add food coloring--just a couple drops and stir it up), pour the mixture in to the cookie sheet, barely covering the bottom of the pan (or you can hang a string on a cup and pour the mixture over the string.) Then put your "experiment" in the window or a nice warm place where it won't be disturbed for a couple of days. Every day check on the growth of your crystals (observe) and record (document) your findings.
What You Need
- 1/4 cup epsom salts (magnesium sufate)
- 1/2 cup water
- shallow cookie sheet, bowl or dish
- food coloring (optional)
- string (optional)
See my picture above for results. Note: It didn't work for hair on the pumpkin. I didn't make enough and it melts really quickly ;D