... tray. This will make sure if the temperature in the room varies, all the pots will experience the same change for the same amount of time. Method I am going to investigate microbial decay by placing three pieces of cabbage in a pot and filling it with soil. I will make it a fair test by placing all the pieces of cabbage away from the other pieces. So they are not making contact with anything else other than soil. I will also plan a fair test by weighing each piece of cabbage individually and then again with all pieces together. I will then leave all the pots in the same area of the room for 2 weeks giving, time for the microbial decay to take place. This will give each pot the same type of conditions thus causing the test to be fair. I will measure the results with a ruler to measure ...

See this essay or coursework document in full right now