The Properties Song and then participate in the
Physical vs. Chemical Changes Activity
between chemical and physical changes
there is no change when atmospheric air is pumped through a sample
of limewater. They then blow exhaled breath through limewater and
observe a milky precipitate.
atom tiles to create representations of the reactant molecules and
rearrange them to make product molecules. When they are satisfied
that they have re-created the reaction, they write a balanced
chemical equation for the reaction, using standard conventions.