Skip to content
MathsGenie logo
Open app

Course home

x

Scientific Investigations & Variables

Scientific Investigations & Variables

Practical chemistry is not just about doing experiments, but designing them to be safe, reliable, and valid. Every time you investigate a chemical reaction, you must identify and control your variables.

Practical skills Lesson

  1. GCSE
  2. /Chemistry
  3. /Practical skills

Step-by-step lessons covering OCR GCSE Chemistry Practical skills for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 (Foundation Tier) or Paper 3 and Paper 4 (Higher Tier) format. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.

Lessons