BTEC Applied Science Unit 3: Written-task practice (D21) - worksheet + answers

A complete, ready-to-teach lesson for Unit 3 (Science Investigation Skills): a full investigation scenario covering planning, data and evaluation.

Learning objectives:
• Apply planning skills to an unfamiliar investigation.
• Process and present data from a given set of results.
• Draw a conclusion supported by the data and by scientific theory.
• Evaluate a method and judge which limitation matters most.

What’s included:
• Student worksheet (PDF and editable Word)
• Teacher version with model answers and mark schemes (PDF and editable Word)
• Teacher notes: lesson flow, common misconceptions and practical/safety notes
• Retrieval starter (5 marks)
• Structured tasks with key-idea boxes, data tables and printed graph grids
• Check for Understanding quiz (10 marks) with a confidence self-assessment
• Written-task practice (15 marks) based on an investigation scenario, ending with a levels-marked 6-mark question with indicative content

Specification coverage:
• Learning aims A, B and C: a synoptic task covering planning, data processing and analysis, and drawing conclusions and evaluating.

About 60 minutes of teaching; the written-task section works in class or as homework. All questions are original.

Written for the Pearson BTEC Level 3 Nationals in Applied Science. Not endorsed by Pearson. Single-school licence.