Formation of New Substance
These diagnostic questions and response activities (contained in the zip file) support students in being able to:
Categorise everyday observations of change.
Distinguish examples of physical change from chemical changes.
Explain observations of a chemical reaction in terms of the formation of a new substance (or substances) with different properties.
Explain, at a macroscopic level, a reaction in which elements combine (e.g. oxidation).
Explain observations of a thermal decomposition reaction.
The resources include details of common misconceptions and a summary of the research upon which the resources are based.
Download the zip file for all the questions and activities.
More resources like this can be found on the BEST webpage: Best Evidence in Science Teaching
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