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Combined Science
Key terms
Endothermic change

GCSE Combined Science · key term

Endothermic change

Definition

A change or reaction in which heat energy is taken in from the surroundings.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Combined Science · 1SC0

Specification Heat energy changes in chemical reactions · Paper 3, Paper 4

An endothermic change takes in heat energy from the surroundings, so the solution usually becomes cooler.
Revise: Heat energy changes in chemical reactions

Edexcel Combined Science past papers

Related key terms

Activation energy
Bond energy
Exothermic change
Reaction profile
Surroundings
System

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