Το καλάθι σου είναι άδειο.
If the thermometer cools down the column of mercury breaks at the constriction
Different metals undergo different thermal expansions even under the same conditions
The mercury drop moves according to the range of the temperature change.
The wax melts, the nail falls down which shows the change of state.
The soot covered glass warms faster because it is better at absorbing heat
The laws of melting can be observed when the salol placed in water is heated
During freezing, the inner energy of salol decreases, while that of the cooling water increases.
