All solids melt when heated to their melting points, but most liquids can remain liquid even though cooled below their freezing points.
(All solids; melt; T:when heated to their melting points) (most liquids; can remain; liquid; T:even though cooled below their freezing points)
All solids most liquids
melt can remain
T:when heated to their melting points
liquid T:even though cooled below their freezing points