English National Curriculum - Science
Mission Objectives
Draw reaction profiles for exothermic and endothermic reactions, including activation energy
Define activation energy
Identify endothermic and exothermic reactions from the reaction profile
Describe the energy changes when bonds are broken and made (HT only)
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Words and meanings to learn
activation energy
the minimum amount of energy that particles must have for a reaction to start
overall energy change
the difference in energy between the reactants and the products, showing how much energy is released or absorbed by the reaction
products
the new substances formed as a result of a chemical reaction
reaction profile
a diagram that shows how the energy of the reactants and products changes during a chemical reaction, including the activation energy
reactants
the starting substances that take part in a chemical reaction
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