 | Project title | River pollution  |
| Difficulty Level | Middle school | |
| Project page | Click here to view this science project | |
Description | ||
| This science fair project is conducted to find out how human activity affect the quality of water in our river channels. The river water will be tested for its acidity, turbidity, as well as for the presence of ammonia and nitrate. | ||
Instructions preview | ||
| 1. The independent variable for this experiement is the location at which the water sample is taken. The dependent variable is the pH reading, turbidity, ammonia content and the nitrate content of the water sample. This is determined using the pH paper, turbidity meter and the freshwater test kit. The constant(control variables) are the amount of the water in each sample. 2. The independent variable for this experiment is the location at which the water sample is taken (ie: upstream or downstream). The dependent variable is the pH reading, turbidity, ammonia content and the nitrate content of the water ..... | ||
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