The importance of ammonia in the formation of salt crystals
We have proven correct, the hypothesis that when more ammonia is used, more salt crystals are formed.
Salt has been used for thousands of years for food flavoring and preservation. It is also a very important element for the survival of all living creatures including humans, as the presence of salt helps to regulate the amount of water in our bodies. However, consuming too much salt can also lead to health problems, such as hypertension.
This science fair project can also be repeated using sugar to form the crystals
The experiment can also be repeated using seawater.
What are crystals? - http://www.sciencekidsathome.com/science_topics/what_are_crystals.html
Crystal growing - http://www.waynesthisandthat.com/crystals.htm
Salt - http://en.wikipedia.org/wiki/Salt
Handle the ammonia carefully.