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Temperature Dual Force Colorimeter CBR2 - Technical Problem Solving 2014-15

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Teams must gather and process data to solve a crime using experiments and analysis. Event involves physics, chemistry, and forensic patterns. Topics include Beer’s Law, statistics, and data handling principles. Scoring based on accuracy, procedure, and content knowledge.

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Temperature Dual Force Colorimeter CBR2 - Technical Problem Solving 2014-15

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  1. Technical Problem Solving2014 -15 Mike Smith National Event Supervisor cblsmith2@gmail.com

  2. Description: Teams will be required to answer a question by; • Gathering data, • Processing data, and • Using this data to solve the given problem

  3. Event and Team Parameters: • Team of up to two • Eye Protection: #4 • Time Limit: 50 minutes • Up to 3 events at Regional, State and 2 at the National Tournament.

  4. Temperature Dual Force Colorimeter CBR2 (Motion Detector) Possible Probes:

  5. Event Topics • Physical Science/Physics/Chemistry Topic 1 & 2 will focus on the Forensic patterns of the physical evidence associated with a crime scene. The teams will design, conduct, and analyze experiments to solve a proposed crime based on the physical evidence supplied.

  6. 2014 -15 TPS Topic Related Terms

  7. Science Principles • Beer’s Law • Newton’s Law of Cooling • Significant Figures • Random / Systematic Error

  8. Mathematical Principles of Data Handling • Stat Plot • Line of Best Fit • Regressions • Statistics • Mean, mode, median • Standard Deviation • Normal Distribution

  9. Mathematics (cont.) • Mathematical Modeling • Residuals • R-values • Correlation coefficient • Confidence Level • Interpretation • Extrapolation • Significant Figures

  10. Sample Labs Data Collection Forensics

  11. Scoring Scoring • 2013 • Teams ranked based on the highest total points from the sum of the scores for two stations. • Station scores based on accuracy (50%), procedure (30%), and content knowledge (20%) • 2014 • Teams ranked based on the highest total points from the sum of the scores for two stations. • Station scores based on accuracy (60%), procedure (20%), and content knowledge (20%)

  12. Resources • http://education.ti.com/en/tisciencenspired/us/forensics/case-files • http://www.vernier.com/ • http://www.atomiclearning.com/k12/ti_Nspire • http://www.sonic.com

  13. Contact Information Mike Smith National Event Supervisor cblsmith2@gmail.com

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