 | Project title | The importance of ammonia in the formation of salt crystals  |
| Difficulty Level | Middle school | |
| Project page | Click here to view this science project | |
Description | ||
| This science fair project was done to understand the importance of ammonia in the formation of salt crystals. Tests were done to compare the resultant formation of salt crystals when ammonia was not used, compared to when different amounts of ammonia were used. | ||
Instructions preview | ||
| 1. For this science fair project, the independent variable is the composition of compounds used in the salt solution. The dependent variable is the amount of salt crystals formed. This is determined through observation and by measuring the height of crystals on the sponge using a caliper. The constants (control variables) are the size of the sponge, the temperature, humidity and air flow of the environment, and the size of the bowls used. 2. Wash, clean and dry the 4 bowls. Then, line up the bowls and label them as ‘Bowl 1’, ‘Bowl 2’, ‘Bowl 3’ and ‘Bowl 4’ ..... | ||
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