A complete, ready-to-teach lesson covering C7.3 – Reaction Profiles for AQA GCSE Chemistry.
This resource introduces reaction profile diagrams, activation energy, energy changes in breaking/making bonds, and how to interpret exothermic vs endothermic reactions using clear visual models.

Perfect for Year 10–11, this lesson is fully differentiated, AFL-rich, and ideal for first teaching, revision lessons, or cover work.

What’s Included
Fully Editable PowerPoint (25–35 slides)

Covers the full AQA C7.3 specification:

What reaction profiles show

Energy level diagrams vs reaction profiles

Exothermic profile (labelled)

Endothermic profile (labelled)

Activation energy explained

Catalysts and how they lower activation energy

Typical mistakes / exam misconceptions

Worked examples using bond breaking/making

Multiple AFL checkpoints, mini-whiteboard questions

Student Worksheet Pack

Label the reaction profile diagrams

Draw your own exothermic & endothermic profiles

Activation energy practice questions

Catalyst comparison task

Match-up key term sheet

Short exam questions (1–4 mark)

Extended question: “Compare exo and endo using reaction profiles”

All answers included

Exam-Style Question Set

6–mark explanation question (activation energy)

Multiple choice retrieval

Reaction profile interpretation task

Identify catalysts from diagrams

Includes mark scheme for all questions.

Learning Objectives

Students will be able to:

Draw and label reaction profiles for exothermic and endothermic reactions.

Identify activation energy and explain its importance.

Describe how catalysts affect reaction profiles.

Compare energy changes during bond breaking/making.

Apply understanding to exam-style questions.

Perfect For

AQA GCSE Chemistry (also fits Edexcel & OCR)
First teaching
Revision & intervention sessions
Cover lessons
Homework or independent study