Pearson Edexcel • Forensic and Criminal Investigation

This assignment is based solely on your individual criminal case, so it cannot be copied. My answer simply depicts the statement made regarding my case, and a recorded cross examination was carried out. This allows for the expert witness to justify their lack of or certain questions giving contradictory or suspicious responses by the defendant.

Learners should produce a written report that demonstrates understanding of the stages of a criminal investigation and the resources available to them to gather evidence. Learners should demonstrate interview skills to obtain information from suspects. The results should be recorded electronically or documented in a report. This assignment was graded a distinction piece, it guarantees a high quality assignment, and good grade

Learners must research and outline the legal framework that investigators must follow in order to secure a criminal conviction. For this assignment I was graded a distinction, this assignment is straightforward and guarantees a quality grade.

A presentation or report that focuses on the evaluation of learners’ performance and skill development across all scientific procedures and techniques carried out in learning aims A, B and C This assignment was graded a distinction, so is a reliable assignment to receive a good grade

Results from the paper chromatography and TLC of extracted plant pigments from paper chromatography of amino acids. An explanation of the principles behind the chromatographic separations. Suggestions for improvements to the chromatographic procedures carried out and full justification of these suggestions. An observation report with a checklist, completed by the teacher, including safety. This assignment was graded a distinction piece, so guarantees a high quality grade.

Results from checking the calibration of at least two types of thermometer. A table of time/temperature data and a graph of temperature against time for a substance cooling. Calculations of the rate of cooling at points on the graph. An analysis of how the rate of cooling is related to intermolecular forces and the state of the substance. A report evaluating the accuracy of the cooling curve experiment. An observation report with a checklist, completed by the teacher, including safety. This a...

Pro formas of results for checking the calibration of a pipette and balance(s) and calibration of a pH meter. A report on the use of Na2CO3 to standardise HCl, used in turn to standardise NaOH. pH curve from the titration plus a differential plot. Results, calculations and calibration graph for the determination of the concentration of a coloured solution using colorimetry. Explanations of how the accuracy, precision and safety of the quantitative techniques may be optimised. Observation checkli...

This summaries collision theory, a key topic needed in the Scientific Investigative Skill Exam. This will help learners understand in a simpler way what Collision Theory is and how it can be applied into physics an chemistry

An appropriately structured expert witness statement should be produced that includes results, explanations and aspects of probability. Received a distinction grade on this assignment, useful to gain a good grade.

Learners should produce a portfolio of laboratory examination forms, including drawings and photographs where appropriate, method sheets and results of analysis. This should be supported with an observation document, completed by the assessor. Received a distinction on this piece, useful document to gain a good grade.