THE EFFECT OF HEAT ON
SOLIDS

AIM

TO ABSORB THE EFFECT OF HEATING METAL ROD

Materials

Materials (detailed list)

• TWO WOODEN BLOCKS

• THREE CANDLES

• TRAY CONTAINING SAND

• COPPER ROD

• NEEDLE

• MIRROR

• ROUND PENCILE

PAPER
SCALE

Procedure

Step 1

• Take two

wooden blocks
and place them
some distance
part them
some apart.
Place the
mirror over the
second block.

Step 2

• Put the other

end of the rod
on the other
block and
attach a round
pencil to the
copper rod with
the help of a
needle placed
under the rod.

Step 3

• Now, place the

round pencil as
a pointer on a
scale, and
arrange the
whole set-up
as shown in
the diagram.

Procedure

Step 4

•Heat the copper rod with the help of
candles, arranged in a tray
containing sand, and absorb

Observations

The pointer (round pencil) changes its direction while heating the copper rod.

Result

The movement of the pointer depicts that solid expand on heating.

​THANK YOU

​BY AMITH.D