sentences: evaporation means a substance changes from a liquid into a gas by increasing heat energy
docs: liquid_gas is gas. water_evaporation is evaporating. gas_escaping_from_liquid is flowing. phosphoric_acid is liquid. gas_escaping_from_liquid is separating_mixture. extravasation is liquid. evaporating is vaporization. burning is rapid_oxidation_of_fuel. when_water is heated_becomes_water_vapor. gasoline is liquid.