Gives at least one reason for the presence of a pollutant in an environmental considered opinion on how science can help to protect sample. our environment. Describes at one environmental change which may occur as a result of the SCN 4-18a presence of a pollutant. Investigates and describes at least one experiment where the measured I can collect and analyse experimental data on temperature change of a reaction is found to be increasing. chemical reactions that States that an exothermic chemical reaction gives out energy. result in an obvious change Investigates and describes at least one experiment where the measured in energy. I can my temperature change of a reaction is found to be decreasing. findings to explain the States that an endothermic chemical reaction takes in energy. significance of the energy Identifies, on at least two occasions, where a chemical reaction as either changes associated with exothermic or endothermic from analysis of temperature data. chemical reactions. SCN 4-19a
considered opinion on how science can help to protect our environment. SCN 4-18a Gives at least one reason for the presence of a pollutant in an environmental sample. Describes at one environmental change which may occur as a result of the presence of a pollutant. I can collect and analyse experimental data on chemical reactions that result in an obvious change in energy. I can my findings to explain the significance of the energy changes associated with chemical reactions. SCN 4-19a Investigates and describes at least one experiment where the measured temperature change of a reaction is found to be increasing. States that an exothermic chemical reaction gives out energy. Investigates and describes at least one experiment where the measured temperature change of a reaction is found to be decreasing. States that an endothermic chemical reaction takes in energy. Identifies, on at least two occasions, where a chemical reaction as either exothermic or endothermic from analysis of temperature data.
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