Skip to content

Loading…

Home
Subjects
Past papers
Key terms
Pricing

My courses

Select your courses

Loading…

Subjects

History
Geography
Biology
Chemistry
Physics
Combined Science
Mathematics
Classics
Business
Computer Science
Religious Studies
Statistics
Physical Education
Design and Technology
Food Preparation and Nutrition

Resources

Browse courses
Past papers
Key terms & definitions
Pricing

About

Sign up
Log in
Privacy Policy
Terms of Service

© 2026 GradeGen

Not affiliated with any exam board.

Nuclear fission — AQA GCSE Design and Technology Definition | GradeGen

Home
Design and Technology
Key terms
Nuclear fission

GCSE Design and Technology · key term

Nuclear fission

Definition

The splitting of an atomic nucleus into smaller nuclei, releasing energy.

Used by AQA

How each exam board covers it

AQA GCSE Design and Technology · 8552

Paper 1

A nuclear power station generates electricity using energy released by nuclear fission. Fission means splitting an atomic nucleus into smaller nuclei. This releases energy as heat.
Revise: Nuclear power

AQA Design and Technology past papers

Related key terms

Decommissioning
Generator
Non-renewable energy source
Radioactive waste
Turbine

Revise Design and Technology with GradeGen

Create a free account to read GCSE Design and Technology revision notes for your exam board and track your progress.

Sign Up to Start Revising Log In