27 Planning

Question 1

Presentation Format

Overall

Answer 1

• Aim: “To investigate [title/ effect of IV on DV]”
• Theory → Elaborate using content, predict trends
• Procedure
• Data recording & processing → Tables with headings & units/ Graphs with labelled axes & units, trend
• Risks
• Precautions

ATP DRP

Question 2

Presentation Format

Procedure

Answer 2

• Pilot Test: “Conduct a pilot experiment to determine suitability of appartus, optimum condition(s), amount of materials and suitable range of independent variables used”
• Annotated diagrams (if required/ makes plan more coherent, less lengthy etc.)
• Numbered steps
• Control(s): “Keeping all other variables, replace [__] with [__]. This shows…”
• R epeats & Replicates: “Conduct min. 3 replicates of steps [ - ] to check for abnormalies ie. reliability and min 3. repeats of the experiment with fresh reagents for reproducibility”

PANCR

Question 3

Presentation Format

Numbered Steps

Answer 3

• Measurable variable(s): “Record…” → Processing to get DV
• Equilibration time → how to achieve & why must equilibrate eg. ensure certain condition is reached; if must be mixed for reaction, equilibrate separately
• Dependent variable(s)
• Independent variable(s) → Explain how to vary IV(s) eg. dilution table etc.
• Constant variables → Min. 2, how to maintain & why maintained, quantify & give suitable apparatus

MEDIC