Chemistry — Physical vs Chemical Change
Distinguishing the two kinds of change.
Make it your own.
title "Physical vs chemical change"
set P "Physical change"
set C "Chemical change"
only "P" "No new substance; often reversible; e.g. melting"
only "C" "New substance; often irreversible; e.g. burning"
intersect "P,C" "May absorb/release energy; mass conserved"