Amatch is lit and held under a cold piece of metal. the following observations are made:
the match burns.
the metal gets warmer.
water condenses on the metal.
soot (carbon) is deposited on the metal.

Explained

Explanation:

A match is lit and held under a cold piece of metal.

The burning of match is a chemical process ( chemical in match burns)

The metal gets warmer is physical process (heat is transfered to the metal piece)

water condenses on the metal is again a physical process.

Soot is deposited on the metal is a chemical process.

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

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