Rock Candy
Aim: To understand the formation of crystallisation Materials 4 Wooden skewers (cut in half) 1 cups of water 2 cups of sugar ( more or less depending on the environment) 2 clothes pegs 2 glass jars/drinking glasses Method Pour 1 cup of water and 1 cup of sugar. Put it all into a large saucepan, because once you put it on the stove it will expand while boiling. Mix up the first bit of sugar before putting it on the stove. Once your pot is on the stove, w atch the sugar dissolve and bring it to a low boil over medium heat, and continue to add sugar one cup at a time until you can no longer dissolve any more of it (making a completely saturated sugar solution). Turn off the heat and allow it to cool for 15 minutes. While your sugar is cooling you can prep your sticks. Soak them in water and roll them in a coating of sugar to give the new sugar crystals something to “seed” to. Be sure to let them dry al...