English National Curriculum Science

1. Explore exothermic and endothermic reactions

Mission Objectives

Describe what's meant by an exothermic or an endothermic reaction

Draw energy profiles showing exothermic and endothermic reactions

Describe what's meant by the activation energy for a reaction

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KS4-12-01 Lesson Slides KS4-12-01 Mission Assignment

Keywords

Words and meanings to learn

reaction

Something which is triggered in relation to an event.

endothermic

Reaction of heat being absorbed.

thermal

Relating to heat.

exothermic

Reaction of heat being released.

temperature

The intensity of heat which is in an object or solution.

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This lesson has been written by

Jonathan Badgery

Jonathan is a leading science writer and presenter. Having attended military school in the UK, Jon attended the University of East Anglia in the UK, where he gained his BSc in Chemical Physics. Following this, Jon completed his PGCE (Post-graduate Certificate of Education), teaching science and leading physics in large city secondary schools in the UK.

Jon is a passionate scientist and specialises in science communication; delivering CPD workshops, science lectures, shows and community science days.

Required Resources

Resources:

  • Handout summarising key concepts and guided questions
  • Whiteboard, markers, and printed energy profile templates
  • Handout with practical instructions and questions
  • Safety goggles for practical activities

Handout: The handout succinctly explains exothermic, endothermic reactions, and activation energy. It includes guided questions to reinforce understanding.

 

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