Forensic Science - The teaching portfolio of Rachel Zammit



Forensic ScienceLesson Plans and Teacher Resources955675442595000-914400Sarah Jane Cahill s3201289Adam Roche s3303759Rachel Zammit s330066900Sarah Jane Cahill s3201289Adam Roche s3303759Rachel Zammit s330066908243673ONPS 2186 Science ProjectSupervisor Jeff Hughes00ONPS 2186 Science ProjectSupervisor Jeff Hughes centercenter100000100000centertop10000025000centerbottom1000000ContentsIntroduction Rational Intergrading the Sciences Unit Plan Introduction to Forensic ScienceIntroduction to Blood Splatter AnalysisBlood Splatter PracticalBlood Types and Introduction to DNAFingerprintsFingerprint Practical – PowdersFingerprint Practical –Chemical (Ninhydrin and Iodine Fuming)Fingerprint Practical –Chemical (Gentian violet)Determination of an unknown substanceUnknown Substance PracticalThin Layer Chromatography PracticalAssessment/ExamAppendix 1Appendix 2Appendix 3Appendix 4Appendix 5Appendix 6Appendix 7IntroductionSolving mysteries is a challenge many students enjoy and forensic science is used to examine evidence which in turn solve crimes. Students are commonly exposed to criminal situations in the media, both fictional and real, and are aware that forensic science is used to solve crimes. As many current television programs use the science of forensics to develop their dramas. However, students may not be aware of the techniques involved. This unit is designed to show students how forensic investigators apply scientific skills and processes in a problem-solving capacity.The forensic science unit contains suggested essential understandings, activities, assignments, investigations, and assessments for curriculum implementation. Teachers can decide which essential understandings will allow them to address the specific learning outcomes.RationalThe Forensic Science unit was developed to allow students to integrate a number of scientific disciplines and to practise a variety of scientific skills and processes, including making comparisons, classifications, observations, measurements, and predictions, as well as manipulating variables, and interpreting data. The unit consists of individual activities, each of which includes teacher and student references. The unit can be designed to include any activities teachers (or students) may wish to incorporate into their forensics learning experience. The student learning activities are highly variable, and can be structured and sequenced according to student interest, available materials, and local resources. Solving a crime requires the use of critical thinking skills that will integrate several science disciplines and be useful across the curriculum.Integrating the Sciences As students explore the topic of forensic sciences, many sciences may naturally be integrated.The following table outlines suggested essential understandings and their possible connections to the major science disciplines. Essential UnderstandingsLessonBiologyChemistryPhysicsMathematicsFingerprintingFingerprint residueChemical reactionsChemical Spot TestChemical reactions, SolubilityChromatographyPolarity,SolubilityCalculateRf valuesBlood AnalysisBlood typingMotion, VelocityMeasuring,GraphUnit PlanLessonTitleAim/ObjectiveAssessment1Introduction to Forensic ScienceTo find out what the students already know about forensic science and what areas of forensic science they are interested inVideo review/ Homework sheet2Introduction to Blood Splatter AnalysisTo give students an understanding of what blood splatter is and what information it can provide in solving a crimeAnswer questions from slideshow/ Start Blood group Assignment 3Blood Splatter PracticalTo investigate how height and surface can affect blood splatter patternsScience Report4Blood Types and Introduction to DNAStudents will build on their oral presentation skills and learn about DNABlood type group assignment and Oral presentation5FingerprintsTo assess and increase students knowledge of the human fingerprint and relate this to forensic science-6Fingerprint Practical - PowdersTo show students the advancement in latent fingerprint powders since the early 1990’sScience Report7Fingerprint Practical –Chemical (Ninhydrin and Iodine Fuming)Students will preform a practical on latent fingerprints. They will use ninhydrin and iodine fuming techniques Science Report8Fingerprint Practical –Chemical (Gentian violet)To show students how some chemicals are capable of revealing latent fingerprintsScience Report9Unknown SubstanceTo introduce students to the different techniques used to identify an unknown substance and why it might be needed as part of a forensic science investigation-10Unknown Substance PracticalStudents are to preform a series of tests to identify an unknown substanceScience Report11Chromatography PracticalStudents use paper chromoatography as a method of examining evidence from a crime scene. Students analyze the ink from different pens to observe they each have their own unique chromatogram Science Report12AssessmentTo test the students knowledge and understanding of the unitTest ................
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