fingerprint lifting

 Step 1: Get a brush with cornflour or special dusting powder. 

Step 2: brush over fingerprint.

Step 3: Then put the Sellotape over the top to get the fingerprint.

Step 4: Then stick onto black paper. 

sci investergation

For my fingerprints, I have 10 loops but in those loops, I have one double loop. most people have loops. We rolled our fingers in ink and rolled them onto paper to see  what they were.