Paper 1
Exothermic and endothermic
Simple explanation
Exothermic reactions transfer energy to the surroundings.
Analogy or example
A hand warmer uses an exothermic reaction to release heat.
Misconception trap
Endothermic reactions are always slow.
Real-world relevance
Exothermic and endothermic links classroom reactions to materials, energy, resources and everyday products.
Vocabulary check
exothermic, endothermic, reactions, transfer, energy