Conservation of Mass
These diagnostic questions and response activities (contained in the zip file) support students in being able to:
Select a particle diagram to correctly show the rearrangement of atoms during a chemical reaction.
Interpret the quantitative meaning of a chemical equation.
Check a chemical equation to find out if the number of atoms in the reactants is the same as in the products.
Predict and explain conservation of mass during a chemical reaction.
Use a symbolic chemical equation to predict and explain an apparent change of mass in an open system where a product is in the gas state.
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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