

![]() | Project title | The effectiveness of Antibacterial soap![]() ![]() |
| Difficulty Level | High school | |
| Project page |  Click here to view this science project | |
Description | ||
| This experiment was done to find out if antibacterial soap is more effective in killing bacteria than normal soap. This will help us decide whether we should spend more money to buy antibacterial soap or just use normal soap. | ||
Instructions preview | ||
| *For this experiment, the independent variable is the type of soap and the length of time taken to wash. The dependent variable is the rate of growth of the bacteria colony. This is determined by measuring the size of bacteria colony growth. The constants (control variables) are the room temperature, the amount of sunlight and the preparation of the petri dish blood agar. *The petri dish prepared with the blood agar must be stored in a refrigerator. Before the start of the experiment, take the blood agar-filled petri dish out of the refrigerator and leave it out under room ..... | ||