English National Curriculum - Science

Collision theory & activation energy

Mission Objectives

Define collision theory and activation energy

Describe how collisions cause reactions

Explain how activation energy affects the rate of reaction

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Keywords

Words and meanings to learn

collision theory

a theory stating that chemical reactions only occur when particles collide with enough energy and the correct orientation

frequency

how often particles collide in a given time

activation energy

the minimum amount of energy required for a chemical reaction to occur

rate

the speed at which a reaction occurs

successful collision

when two or more particles crash into each other with enough energy to react

This lesson has been written by

Samantha Batch

Samantha is a dedicated and accomplished science educator with over 15 years of leadership experience in the field, coupled with a strong background in scientific analysis. She has a proven track record of strategically managing educational departments, driving operational efficiencies, and nurturing collaborative relationships with stakeholders. 

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