General Learning Exploration

Classify a sample of matter as an element, compound, or mixture.

Distinguish atoms, molecules, and ions using simple chemical models.

Calculate the concentration or dilution of a simple laboratory solution.

Explain how polarity affects solubility and chemical separation.

Interpret the pH scale in relation to acids, bases, and biological samples.

Relate carbohydrates, lipids, proteins, and nucleic acids to their cellular functions.

Identify the functions of the cell membrane, cytoplasm, nucleus, and mitochondria.

Explain how temperature and pH affect enzyme activity and denaturation.

Construct a complementary DNA strand using base-pairing rules.

Explain how semiconservative DNA replication produces two DNA molecules.

Relate chromosomes, genes, loci, and alleles to one another.

Distinguish genotype from phenotype in a genetics example.

Predict a simple inheritance outcome using a Punnett square.

Explain how meiosis and recombination generate genetic variation.

Explain how a mutation can create a new DNA variant.

Compare the forensic properties of nuclear DNA and mitochondrial DNA.

Distinguish the role of a forensic scientist from the roles of investigators and courts.

Classify an item as biological, chemical, physical, or digital evidence.

Distinguish class-level associations from stronger forms of evidential association.

Document a simulated scene using coordinated notes, photographs, and a sketch.

Complete a chain-of-custody record for a simulated item of evidence.

Select suitable packaging and storage conditions for common evidence types.

Identify contamination risks and choose appropriate contamination controls.

Prioritize evidence collection when sample quantity and time are limited.

Explain how friction-ridge features are used in fingerprint comparisons and state their limitations.

Outline how forensic toxicology detects and interprets drugs or poisons in biological samples.

Explain the questions addressed by firearms and toolmark examination.

Explain how questioned-document examination compares handwriting, ink, paper, or printing.

Describe the steps used to preserve and examine digital evidence.

Distinguish cause, mechanism, and manner of death in forensic pathology.

Explain how physical trace evidence can associate people, objects, and locations.

Match a forensic question to the discipline best suited to examine it.

Sequence screening, confirmation, comparison, and interpretation within an evidence examination.

Distinguish presumptive tests from confirmatory tests.

Select positive, negative, and substrate controls for a simple forensic test.

Calculate total magnification for a compound-light-microscope setup.

Compare questioned and reference samples using documented observable features.

Explain how chromatography separates the components of a mixture.

Distinguish qualitative findings from quantitative measurements.

Classify a comparison result as supporting association, exclusion, or inconclusive.

Relate the cellular and liquid components of blood to their forensic significance.

Infer possible ABO genotypes from a stated blood-group phenotype.

Explain how antigen–antibody binding produces agglutination in blood typing.

Interpret the results of presumptive and confirmatory tests for blood.

Interpret the results of screening and confirmatory examinations for semen.

Interpret the results of screening and confirmatory examinations for saliva.

Design a body-fluid testing sequence that preserves material for later DNA analysis.

Explain how transfer, persistence, contamination, and degradation limit body-fluid conclusions.

Explain how cell lysis and purification isolate DNA from biological material.

Explain why DNA quantity and quality are assessed before amplification.

Model how PCR cycles amplify a targeted DNA region.

Explain why short tandem repeats are useful for human identification.

Relate capillary-electrophoresis output to an STR profile.

Interpret positive, negative, and reagent-blank controls in a DNA workflow.

Choose workflow safeguards that reduce DNA contamination and sample switching.

Select between autosomal STRs, Y-STRs, and mitochondrial DNA for a stated case need.

Call alleles and genotypes from a simple single-source electropherogram.

Classify a DNA comparison as inclusionary, exclusionary, or inconclusive.

Recognize stutter, pull-up, allele dropout, and other common profile artifacts.

Recognize indicators of a mixed DNA profile.

Calculate a single-locus genotype frequency from supplied allele frequencies.

Apply the product rule to calculate a simple multilocus profile frequency.

Explain how a likelihood ratio compares support for two competing propositions.

Communicate DNA evidence without confusing a match probability with the probability of guilt.

Compare questioned and reference hairs microscopically without claiming individual identification.

Estimate a basic biological profile from stated skeletal features while recognizing uncertainty.

Explain how dental records can support identification of human remains.

Estimate a postmortem interval from simplified forensic-entomology data.

Explain how pollen or plant material can associate an item with a location.

Explain how DNA methods can support wildlife-species identification.

Interpret a simple kinship comparison used in a missing-person investigation.

Select an appropriate biological specialty for a stated evidence problem.

Distinguish accuracy from precision in repeated forensic measurements.

Calculate sensitivity and specificity from a simple validation table.

Interpret false-positive and false-negative rates in context.

Explain how validation, proficiency testing, and accreditation support laboratory quality.

Identify a potential source of cognitive bias and select a suitable safeguard.

Distinguish a source-level proposition from an activity-level proposition.

Write a concise evidence conclusion that separates results, interpretation, and limitations.

Evaluate a forensic DNA database scenario for privacy, consent, and fairness concerns.

Extract answerable forensic questions from a simulated case brief.

Create an examination strategy that prioritizes tests and conserves limited evidence.

Integrate findings from several forensic disciplines without overstating their combined strength.

Construct an alternative explanation for a set of forensic findings.

Critique a forensic claim in a news report or fictional case using scientific principles.

Present a technical forensic conclusion in language suitable for a non-scientific audience.

Evaluate a forensic-science degree program using its science prerequisites, laboratory content, and quality indicators.

Create a follow-on study plan for strengthening biology, chemistry, mathematics, and academic writing before university.