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.

Home
Design and Technology
Key terms
Activation temperature

GCSE Design and Technology · key term

Activation temperature

Definition

The temperature at which a specified thermochromic pigment changes colour.

Used by AQA

How each exam board covers it

AQA GCSE Design and Technology · 8552

Paper 1

A technical specification supplies details about a particular grade, such as its activation temperature, colour response, reversibility and suitability for the intended coating or product.
Revise: Smart materials

AQA Design and Technology past papers

Related key terms

Photochromic pigment
Shape memory alloy
Smart material
Stimulus
Thermochromic pigment

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

Activation temperature — AQA GCSE Design and Technology Definition | GradeGen