

![]() | Project title | Effect of milk on plant growth![]() ![]() |
| Difficulty Level | Elementary school | |
| Project page |  Click here to view this science project | |
Description | ||
| This science fair project was conducted to determine if watering plants with milk affects their growth. The experiment was done using tomato plants and watering them with water and milk. | ||
Instructions preview | ||
| 1. For this science fair project, the independent variable is the method of watering the tomato plants –using water or milk. The dependent variable is the height of the tomato plant in the pot. This is determined by measuring the height of the plant with a ruler. The constants (control variables) are the environment the pots are kept in (temperature, humidity, light, etc), the number of seeds used, the type of seeds and the size of the pot and the type of soil. 2. The 2 garden pots are labeled as “Water” and “Milk”. Each of the 2 pots ..... | ||