Take a spoonful of soap powder
and place it in the bowl.
2. Add several drops
of the vinegar onto the soap powder
in the bowl.
to see what happens.
This reaction becomes a bubbling
froth that gives off carbon dioxide
Once it finishes frothing, it leaves
behind a salt substance that is not
NOT eat this salt).
This chemical reaction is caused
by the vinegar acting as the acid
and the soda is the base.
You may want to do this experiment
outside so you can hose away the mess.