Procedure And Materials

If you follow these instructions, then you can do this experiment too

Now that we know what my project is about, we can start with the fun part… the experiment. This what you will need.

  • One jar of alum powder
  • A small carton of eggs
  • A medium size bowl
  • A small paint brush
  • Elmer's glue
  • Food coloring
  • Water
  • Scissors
  • Paper towels/ napkins
  • A thumb tack
  • A spoon

Use your thumb tack and make a hole on one of the sides of the egg. Wash your egg and you are going to blow the egg yolk out of the egg. Then poke a hole in the other end of the egg. When all of the yolk is out of the egg, cut the egg with scissors lengthwise. Wash your egg with warm water and wipe it down and get it to be clean and dry as possible. Pick off all of edges off of the side of the egg and make it as even as possible. Take a good amount of glue and squeeze it into the egg shell halve, it’s ok to get some on the outside too, it will add a cool effect to it. Take your paintbrush and smother the egg shell with glue all the way to the top, you might need some more glue. Do not wait for the glue to dry completely, wait until it is tackie, and start to pure you alum powder into the egg shell. Then take you egg shell shake off the excess alum powder off, and wait for it to dry overnight. Then take 2 cups of water and almost boil it and put it into a bowl. Dissolve 35 drops of food coloring into the bowl stirring it while you are dropping them in. Dissolve ¾ cups of alum powder into the water. Let the mixture sit for half an hour. Now this is where you can get a little impatient and crack the egg shell. Gently push the egg shell into the bottom of the bowl and stir for a minute or two. Wait for about 13 hours and your crystals will grow.