Measuring thermal expansion in metals

Different metals undergo different thermal expansions even under the same conditions

Demonstrating thermal conductivity

The wax melts, the nail falls down which shows the change of state.

Examining the endothermic process

The soot covered glass warms faster because it is better at absorbing heat

Body temperature thermometer

If the thermometer cools down the column of mercury breaks at the constriction

Demonstrating melting

The laws of melting can be observed when the salol placed in water is heated

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