FORENSIC SCIENCECLASS: FORM 2

AGE GROUP: 12 -13LEVEL: MEDIUM ABILITY CLASS

OBJECTIVES OF FORENSIC SCIENCE• Been in the syllabus for the last 3 years

• MAIN OBJECTIVES INCLUDE:1. Guide students to describe the importance of forensic

science to solve crimes and relate observation skills to forensic science

2. Guide students to collect and process evidence from a crime scene

3. Guide students to use and apply separation techniques to provide evidence.

SUB TOPICS COVERED IN FORENSIC SCIENCE

• DNA

• FINGER PRINTING

• BITE MARKS AND TEETH MARKS

• POWDERS & FLAME TESTS

• FIRE AND ARSON

• CHROMATOGRAPHY

OBJECTIVES OF LESSON PLAN• To recapitulate concepts learned in Forensic

Science• Apply concepts of separation techniques (such

as chromatography)• Use observations and scientific skills to solve

problems• Match pieces of evidence• Collect evidence while avoiding contamination

LESSON OVERVIEW

• STEP 1:Presentation of crime scene• STEP 2:Observe crime scene• STEP 3:Discuss evidence to be collected• STEP 4Prepare questions for interrogation

• STEP 5Collect evidence and assign evidence to be examined to all groups.• STEP 6Interrogate suspects and collect samples from suspects• STEP 7Match evidence and conclude who committed the crime

SCENE OF THE CRIME

Above: Shoe prints created by the criminal. Tape shows confined area of the crime scene

Above: Evidence bag containing tweezers (to collect hair stands), magnifying lens and measuring tape (to measure foot prints and bite marks)

RESOURCES USED• Worksheet (prepare by the teacher and to be

filled by the students as the lesson progressed)

REALIA USED• Can with fingerprints• Anonymous note (chromatography & calligraphy)• Shoe prints• Blood splatter (food dye)• Piece of fabric on door• Strands of hair • Bitten apple• Broken glassware• Forensic kit

PHOTOS TAKEN DURING THE LESSON

Left: Students examining the crime scene and collecting evidence.

Above: Comparing evidence: teeth marks on apples.

RESULTSLeft: Chromatography results. Students compared the pens collected from the suspects to the ink used to write the anonymous note

Right: Apples bitten by the suspects and apple found on the crime scene