Molecules and Matter Crossword

QUESTIONS LIST: Condensation : The changing from vapor state to a liquid state, when a substance is cooled., Density : The mass per unit volume of an object, Evaporation : The changing from liquid to a vapor state, when a substance is heated., Freezing : The changing from a liquid state to a solid state, when a substance is cooled., Temperature : Gas ________ is directly proportional to the average kinetic energy of its molecules., Internal : The energy stored by the atoms and molecules that make up a system. it is the sum of the total kinetic and potential energies of the particles in the system., Latent : The energy required for a substance to change state is known as ______ heat., Melting : The changing from solid state to liquid state, when a substance is heated., Pascals : The unit of pressure., Joules : The unit of energy, Pressure : The force acting perpendicular to a surface, per unit area., Sublimation : The direct changing of a substance from a solid state to a vapour state, without passing through the liquid phase., Capacity : Specific heat __________ - the amount of energy needed to increase the temperature of one kilogram of a given substance by one degree celsius., Fusion : Specific latent heat of _______ - the amount of energy needed to change the state of one kilogram of substance from solid state to liquid state without a change in temperature.