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some of the classic experiments in heat can be done with simple materials. this shows
the conduction of heat. you require a hack saw blade, a candle, a few shoe tack nails.
first you mount the hack-saw blade on a piece of wood and then drop a few drops of candle
wax and affix shoe tack nails which have big heads. now upturn the hack-saw blade and you
can see the nails hanging down. now bring the lighted candle and place it below one
end of the blade. this end will gradually heat and transmit the heat, wax will melt
and first nail will drop. as the heat will travel, the wax of second nail will melt and
it will also drop. it takes a bit of time. the heat will travel from one end to the other,
because the heat is also being dissipated. now the third nail falls, and now the fourth.
for the fifth one it might take 15 minutes. you can repeat this experiment by using whatever
metallic object you have, eg a steel rod. here you can see a young chap doing the experiment
and enjoying it thoroughly.