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Collision — OCR GCSE Combined Science A Definition

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Combined Science
Key terms
Collision

GCSE Combined Science · key term

Collision

Definition

An encounter in which particles come into contact with one another.

Used by OCR

How each exam board covers it

OCR GCSE Combined Science A · J250

Specification C3.2c · Chemistry Paper 1

For reactant particles to react together, they must first collide. However, contact alone is not enough: a collision must have sufficient energy for the reaction to occur.
Revise: Activation Energy

OCR Combined Science A past papers

Related key terms

Activation energy

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