Using heat to turn a solid to a liquid @CampbellAPS By @CampbellAPS | April 29, 2017 Using heat to turn a solid to a liquid @CampbellAPS https://t.co/rfw2DAMZH5 Posted in Daily News and tagged @CampbellAPS ← A fun day of learning in our outdoor classroom! @CampbellAPS @CampbellOutside Ready for the planetarium field trip! @CampbellAPS →