Online Scientific Method Forensics 2009

Niles West BiologyNiles West Biology

Unit: Scientific Method Unit: Scientific MethodForensic ScienceForensic Science

Unit Objectives:Unit Objectives:Identify questions and concepts Identify questions and concepts

that guide scientific investigations.that guide scientific investigations.Design and conduct scientific Design and conduct scientific

investigations.investigations.Use technology and mathematics Use technology and mathematics

to improve investigations and to improve investigations and communications.communications.

Unit Objectives Continued:Unit Objectives Continued:

Formulate and revise scientific Formulate and revise scientific explanations and models using explanations and models using logic and evidence.logic and evidence.

Recognize and analyze alternative Recognize and analyze alternative explanations and models.explanations and models.

Unit Objectives Continued:Unit Objectives Continued:

Communicate and defend a Communicate and defend a scientific argument.scientific argument.

Distinguish between living and Distinguish between living and nonliving things.nonliving things.

Scientific MethodScientific Method

• Definition: Definition: A systematic approach to solving a A systematic approach to solving a

problem by discovering knowledge, problem by discovering knowledge, investigating a phenomenon, investigating a phenomenon, verifying and integrating previous verifying and integrating previous knowledge. knowledge.

Scientific Method Steps:Scientific Method Steps:

Identifying the problem to solve Identifying the problem to solve Formulating a hypothesisFormulating a hypothesisTesting the hypothesisTesting the hypothesisGathering and analyzing dataGathering and analyzing dataMaking conclusions Making conclusions

What IS Forensic Science?What IS Forensic Science?

• Forensic science is the process of Forensic science is the process of using science to resolve legal issues. using science to resolve legal issues. This is done by applying scientific This is done by applying scientific principles to matters in which the principles to matters in which the law has become involved.law has become involved.

First AssignmentFirst Assignment

• Use the glogster web site:Use the glogster web site:

Use the glogster instructions and put together an Use the glogster instructions and put together an interactive glog page.interactive glog page.

This interactive poster will explain the forensic This interactive poster will explain the forensic occupation you picked. occupation you picked.

It will also be thematic to the forensic occupation It will also be thematic to the forensic occupation you picked.you picked...

GLOG WEB SITE

First Assignment continuedFirst Assignment continued

• Your glog will also include and explanation as Your glog will also include and explanation as to how the scientific method would be used to how the scientific method would be used in this occupation.in this occupation.

First Assignment cont.First Assignment cont.• At glogster.com it explains that you are able At glogster.com it explains that you are able

to hyper link anything you put on your to hyper link anything you put on your poster. poster.

• Therefore, your poster becomes an intricate Therefore, your poster becomes an intricate part at explaining your forensic occupation.part at explaining your forensic occupation.

• Pictures can lead to other web sites or Pictures can lead to other web sites or another glog to explain more! Follow the another glog to explain more! Follow the quick tutorial to get the hang of it before you quick tutorial to get the hang of it before you finalize your interactive poster.finalize your interactive poster.

First Assignment cont.First Assignment cont.

Helpful websites on your occupational search:Helpful websites on your occupational search:

Website 1

Website 2

Website 3

Website 4

Second Assignment:Second Assignment:

• Post your Glog on my discussion board.Post your Glog on my discussion board.

• Respond to 2 (two) other student’s gloggRespond to 2 (two) other student’s glogg• For each response answer the following:For each response answer the following:

– What did you find interesting?What did you find interesting?– What did like about the glogg?What did like about the glogg?– How does the occupation use the S.M.?How does the occupation use the S.M.?

Discussion Connect

http://groups.google.com/group/biology-niles-west

Online Investigations: Online Investigations:

• Ink ChromatographyInk Chromatography

• Fingerprint AnalysisFingerprint Analysis

• Shoe & Hair AnalysisShoe & Hair Analysis

• Blood Splatter AnalysisBlood Splatter Analysis

Online Investigations:Online Investigations:Ink ChromatographyInk Chromatography

• Virtual Lab – Click the play button and follow – Click the play button and follow the instructions.the instructions.

• Do it at home! Try to match different brands. Try to match different brands. What do the different patterns tell you about What do the different patterns tell you about the same color?the same color?

Respond to the experience in the general Respond to the experience in the general discussion room!discussion room!

http://www.edumedia-sciences.com/en/a439-thin-layer-chromatography

http://www.scienceprojectlab.com/thin-layer-chromatography-for-kids.html

Online Investigations:Online Investigations:Fingerprint AnalysisFingerprint Analysis• Virtual Lab – After clicking on the link go to – After clicking on the link go to

the 1the 1stst floor and put the cursor on floor and put the cursor on fingerprinting and follow the prompts.fingerprinting and follow the prompts.

• Try it at home! Respond to the experience in Try it at home! Respond to the experience in the general discussion roomthe general discussion room!

http://www.trutv.com/forensics/lab/index.html

Online Investigation: Online Investigation: Hair and Shoe AnalysisHair and Shoe Analysis

• Virtual Lab: After clicking on the hyperlink move the cursor to Virtual Lab: After clicking on the hyperlink move the cursor to the floor plan and click on the third floor. Move the cursor to the floor plan and click on the third floor. Move the cursor to the hair and shoe analysis prompt and follow the instructions the hair and shoe analysis prompt and follow the instructions for the lab.for the lab.

• CSI: NY Episode :CSI: NY Episode :select an episode an watch how hair/shoe select an episode an watch how hair/shoe evidence is analyzed.evidence is analyzed.

Online Investigation: Online Investigation: Blood Splatter AnalysisBlood Splatter Analysis• Virtual Lab : Virtual Lab : Start by clicking on “virtual lab”. Start by clicking on “virtual lab”.

After arriving to the floor plan click on the After arriving to the floor plan click on the third floor.third floor. Move the cursor to blood splatter Move the cursor to blood splatter and follow the prompts for the lab.and follow the prompts for the lab.

• DNA analysis : Start by clicking on “DNA DNA analysis : Start by clicking on “DNA analysis”. Then start with part 1 and read the analysis”. Then start with part 1 and read the story to solve the crime using DNA evidence.story to solve the crime using DNA evidence.

• CSI Episode :select an episode an watch how CSI Episode :select an episode an watch how blood spatter is analyzed.blood spatter is analyzed.

Putting It All TogetherPutting It All Together

• You solve the virtual crime using forensic You solve the virtual crime using forensic techniques. Click on this interactive link to techniques. Click on this interactive link to begin solving this case. Report the crime you begin solving this case. Report the crime you solved and how you solved to the discussion solved and how you solved to the discussion board board http://groups.google.com/group/biology-niles-west

• Write down the scientific method steps you Write down the scientific method steps you use while solving the case.use while solving the case.

Putting It All Together:Putting It All Together:AssessmentAssessment

You create the crime! For this assignment I You create the crime! For this assignment I will grade you on your creativity with the will grade you on your creativity with the crime, how you use implement 3 out the 4 crime, how you use implement 3 out the 4 forensic techniques discussed and lastly forensic techniques discussed and lastly how you use the scientific method in solving how you use the scientific method in solving the crime.the crime.

Use a creative medium to present your crime Use a creative medium to present your crime and solution and drop in my blackboard and solution and drop in my blackboard drop box.drop box.

Putting It All Together:Putting It All Together:Assessment Part 2Assessment Part 2

Lastly, attach your project to my discussion Lastly, attach your project to my discussion board [email protected] [email protected]

All members of the class must comment on All members of the class must comment on

what they liked from two classmates what they liked from two classmates assignments and mention how the person assignments and mention how the person implemented the scientific method in the implemented the scientific method in the crime scene. crime scene.

Assessment: QuizAssessment: Quiz

• Take the Quiz Take the Quiz http://www.mystudiyo.com/ch/a92261/go http://www.mystudiyo.com/ch/a92261/go Use this site if you want to make it Use this site if you want to make it competitive and compare scores and to see competitive and compare scores and to see you got the highest with the least amount of you got the highest with the least amount of tries. tries.

• See rubric on the next slide.See rubric on the next slide.

Discussion Discussion RubricRubric

Exemplary Effective Minimal Unsatisfactory

SubstantiveStates and identifiesissues

Accurately states andidentifies issues.

Accurately states an issue. States a relevant factual,ethical, or definitionalissue as a question.

Does not state any issues.

Uses foundationalknowledge

Accurately expressesrelevant foundationalknowledge pertaining to issues raised during the discussion.

Accurately expressesrelevant foundationalknowledge pertaining to issues raised during the discussion.

Accurately expressesrelevant foundationalknowledge pertaining to an issue raised bysomeone else.

Does not express anyrelevant foundationalKnowledge.

Stipulates claims ordefinitions

Pursues an issue with aStipulation.

Does not stipulate a claim or definition.



Elaborates statementswith explanations,reasons, or evidence

Pursues an issue with oneor more elaboratedstatements

Pursues an issue with atleast one elaboratedstatement

Elaborates a statementwith an explanation,reasons, or evidence

Does not elaborate anyissues

Recognizes values orvalue conflictRecognizes values orvalue

Recognizes values orvalue conflict.

Does not recognize value or value conflict.



Argues by analogy Uses analogy to advancethe discussion.

Does not use analogy toadvance the discussion.



ProceduralInvites contributionsfrom others

Engages others in thediscussion by invitingtheir comments.

Invites comments fromothers.

Does not invitecomments from others.

Does not invitecomments from others

Acknowledges thestatements of others

Engages others in thediscussion byacknowledging theircontributions.

Does not acknowledgethe statements of others.



What is one example of quantitative What is one example of quantitative data?data?

A) smoothA) smoothB) furryB) furryC) 2C) 2D) 4 mLD) 4 mL

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What is an example of qualitative What is an example of qualitative data?data?

A) 60 yardsA) 60 yardsB) 5B) 5C) grayish fur with black stripes C) grayish fur with black stripes going down its back verticallygoing down its back verticallyD) 100 light yearsD) 100 light years











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The scientific method always starts with The scientific method always starts with aa

A) problemA) problemB) hypothesisB) hypothesisC) conclusionC) conclusionD) testD) test











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If a scientist tests a hypothesis and it does If a scientist tests a hypothesis and it does not work what does s/he do?not work what does s/he do?

A) give upA) give upB) go back and assess his or her B) go back and assess his or her hypothesis by using his/her datahypothesis by using his/her dataC) use the failed experiment's data C) use the failed experiment's data as a complete conclusionas a complete conclusionD) avoid the results and test a new D) avoid the results and test a new problemproblem











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A condition that can differ within an A condition that can differ within an experiment is called aexperiment is called a

A) controlA) controlB) variableB) variableC) analysisC) analysisD) problemD) problem











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Which choice is NOT a fingerprint type?Which choice is NOT a fingerprint type?

A) double whorlA) double whorlB) plain archB) plain archC) forkC) forkD) tented archD) tented arch











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How many ridge characteristics are in one How many ridge characteristics are in one fingerprint?fingerprint?

A) 2A) 2B) 150B) 150C) 1000C) 1000D) infiniteD) infinite











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What is chromatography?What is chromatography?

A) combining mixturesA) combining mixturesB) separation of mixturesB) separation of mixturesC) burning mixturesC) burning mixturesD) creating mixturesD) creating mixtures











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Online Scientific Method Forensics 2009

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Transcript of Online Scientific Method Forensics 2009