Procedure

First, pour 35 grams of nutrient Agar into 1000 ml water, heat on a plate while using a magnetic stirrer

Second thing is to get some swabs

Thirdly get swab for four to ten different doorknobs making sure it is different doorknob shapes (circular and rectangular) .The fourth thing to do is to place the swabbed cotton swabs into the Petri dishes and wait for bacteria to grow, (this should take a few days).

Lastly, Record data and type the results into a data table.