GCSE Chemistry Paper 2 Rate of Reaction - Sodium Thiosulfate Required Practical – 6 Mark

A fully scaffolded worksheet for the AQA Required Practical – Rate of Reaction (Sodium Thiosulfate & Hydrochloric Acid) - PDF and PPT

This resource is designed to prepare students for the 6-mark extended response question.

It includes:

• Exam-style question with diagram
• Command word focus (Describe & Explain)
• Success criteria checklist
• Keywords box for structured responses
• Fill-in-the-gaps model answer task with word bank
• “Vague” student answer for rewriting and improvement
• Final model answer using scientific keywords

Skills developed:

Writing clear step-by-step methods

Identifying and controlling variables

Using keywords such as concentration, cross, flask, timer, reliability, repeat/mean

Linking experimental method to rate of reaction

Perfect for GCSE Combined Science Trilogy and Separate Science (AQA), but also suitable for other exam boards (Edexcel, OCR) covering rate of reaction practicals.

Can be used as:

Classroom practice (independent or paired work)

Homework

Revision before Paper 2 Chemistry exams

Part of a growing series of Required Practical 6-mark question worksheets